المتتاليات العددية - الفصل 10
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ما هي الصيغة الصحيحة للمتتالية الحسابية المعطاة؟

  • ln(un+1) = ln(un) + ln(2)
  • ln(un+1) = ln(un) - 1
  • ln(un+1) = -1 + ln(un) (correct)
  • ln(un+1) = ln(un) + 1

ما هي القيمة الأولية للمتتالية العددية المعطاة؟

  • 0
  • 3
  • 2
  • 1 (correct)

أي من الخيارات التالية تعبر عن قيمة المتتالية عند n = 1؟

  • ln(2) (correct)
  • 0
  • 1
  • ln(3)

ما الذي يحدث لقيمة المتتالية عند الانتقال من un إلى un+1؟

<p>تزداد بمقدار غير ثابت (B)</p> Signup and view all the answers

كم عدد النقاط المذكورة لتحليل المتتالية؟

<p>4 نقاط (B)</p> Signup and view all the answers

ما هي صيغة vn من حيث un؟

<p>vn = 2 + ln(√un) (C)</p> Signup and view all the answers

إذا كانت vn = 2 + ln(√un)، ما هو الشكل العام لـ un بدلالة vn؟

<p>un = e^(vn - 2) (B)</p> Signup and view all the answers

ما هي العلاقة الأساسية بين vn و un عند n = 1؟

<p>vn = 2 + ln(un) (D)</p> Signup and view all the answers

عند استخدام قاعدة اللوغاريتم، ما هي صيغة الجذر المربوط لـ vn؟

<p>vn = ln(√un) (D)</p> Signup and view all the answers

ما قيمة vn إذا كان un = e^4؟

<p>vn = 2 + ln(2) (C)</p> Signup and view all the answers

ما القيمة الصحيحة لـ I عندما x > 1؟

<p>3 − α (D)</p> Signup and view all the answers

ما العلاقة بين I و J عندما نستخدم المتغيرات المطروحة؟

<p>I = J - (α - 2)² (D)</p> Signup and view all the answers

ما هي قيمة J عندما g(α) = 0؟

<p>3 − α (C)</p> Signup and view all the answers

ما هي المعادلة التي تم استخدامها لحساب I باستخدام تجزئة؟

<p>I - J = (α - 1)(α - 2)² (D)</p> Signup and view all the answers

ما هي الشروط اللازمة لحساب I و J؟

<p>x &gt; 1 (B)</p> Signup and view all the answers

ما هو الهدف من إيجاد عدد الأشكال الممكنة للجنة التي تضم 4 نساء و 7 رجال؟

<p>حساب عدد الأشكال الممكنة للجنة (D)</p> Signup and view all the answers

كيف يتم الحكم على كون المتتالية العددية صحيحة بناءً على قيمتها؟

<p>يجب أن تكون ضمن حدود معينة (C)</p> Signup and view all the answers

ما هو الحد الأقصى لعدد القيم الممكنة لــ Un في المتتالية؟

<p>32 (D)</p> Signup and view all the answers

ما هي الدالة الناتجة لـ g(x) = xe^(-x)؟

<p>G(x) = (−x − 1)e^(-x) (A)</p> Signup and view all the answers

ما نوع المتتاليات العددية المذكورة؟

<p>متناقصة (B)</p> Signup and view all the answers

ما هي القيم التي يجب أن تحقق لأجل أن تكون المتتالية العددية صحيحة؟

<p>0 ≤ Un ≤ 32 (D)</p> Signup and view all the answers

ما هي الحدود المطلوبة لحساب النهاية لـ Un؟

<p>lim Un → +∞ (C)</p> Signup and view all the answers

أي من الأشكال التالية لا يمكن أن يكون رئيساً في اللجنة؟

<p>امرأة (B)</p> Signup and view all the answers

ما هي العلامة المميزة لدالة f(x) المعطاة؟

<p>f(x) = (x + 2)^2 e^(-x) (D)</p> Signup and view all the answers

ما هي الشروط التي تجعل المعادلة تقبل حلاً واحدًا؟

<p>عندما يكون ln(m) = 0 (C)</p> Signup and view all the answers

ما هي الحدود السفلية والعلوية لقيم m التي تجعل المعادلة تقبل حلولاً غير محدودة؟

<p>المعادلة تقبل حلولاً غير محدودة عندما m &lt; 1 (A)</p> Signup and view all the answers

ما هي المعادلة التي تمثل المستقيم في هذا السياق؟

<p>y = x + ln(m) (D)</p> Signup and view all the answers

ما هي قيمة f(x) - y عندما يكون ln(m) = 0؟

<p>0 (D)</p> Signup and view all the answers

ما هي قيمة الـ m إذا كانت المعادلة تقبل حلاً واحدًا؟

<p>m = 1 (D)</p> Signup and view all the answers

عندما تكون قيمة ln(m) أقل من 0، فما هي قيمة m؟

<p>m &lt; 1 (B)</p> Signup and view all the answers

ما هي قيمة المشتقة الأولى لـ v(x)؟

<p>e^(2x) (C)</p> Signup and view all the answers

ما هو الشكل العام للمعادلة التي يتم مناقشتها؟

<p>f(x) = x + ln(m) (A)</p> Signup and view all the answers

ما هي حالة المعادلة عندما يكون 1 < m < e؟

<p>المعادلة تقبل أكثر من حل (C)</p> Signup and view all the answers

ماذا يمثل التغير في إشارة (2x - 1) في هذا الإطار؟

<p>يحدد عدد الحلول (D)</p> Signup and view all the answers

ما هي العلاقة التي تربط بين $u_{n+1}$ و$u_n$؟

<p>$u_{n+1} = e^{-1} u_n$ (A)</p> Signup and view all the answers

ما هو الشرط الذي يجب أن يتحقق لأجل $u_n > 0$؟

<p>$e^{-1} u_n &gt; 0$ (D)</p> Signup and view all the answers

ماذا يساوي $S_n$؟

<p>$S_n = u_0$ (D)</p> Signup and view all the answers

ما هو الحد الأعلى للمتتالية $u_n$؟

<p>$u_n = 1$ (B)</p> Signup and view all the answers

ما هي صيغة احتمال الحدث $A$؟

<p>$p(A) = rac{9}{504}$ (B)</p> Signup and view all the answers

ما نوع الدالة $g(x)$ المذكورة في النص؟

<p>دالة متناقصة (D)</p> Signup and view all the answers

ما هي قيمة $p(B)$؟

<p>$p(B) = rac{30}{84}$ (B)</p> Signup and view all the answers

ما هي قيمة $u_{n+1}$ إذا كانت $u_n < 1$؟

<p>$u_{n+1} &lt; 1$ (C)</p> Signup and view all the answers

ماذا يعني أن $g(x)$ قابلة للاشتقاق؟

<p>الدالة قابلة للاشتقاق في كل نقطة (D)</p> Signup and view all the answers

ما هي خاصية $e^{-1}$؟

<p>$e^{-1} &lt; 1$ (B), $e^{-1} &gt; 0$ (D)</p> Signup and view all the answers

كيف يؤثر العدد الكبير $n$ على $u_n$؟

<p>يقلل من قيمة $u_n$ (B)</p> Signup and view all the answers

ما الذي يضمن أن $u_{n+1} > 0$؟

<p>كون $u_n &gt; 0$ (A)</p> Signup and view all the answers

ما هي صيغة حساب احتمال الحدث $C$؟

<p>$p(C) = rac{30}{504}$ (A)</p> Signup and view all the answers

أي من القيم التالية يمثل دالة متزايدة؟

<p>$g'(x) &gt; 0$ (B)</p> Signup and view all the answers

Flashcards

Arithmetic Sequence

A sequence where the difference between consecutive terms is constant.

Recursive Formula

A formula that defines each term of a sequence in terms of preceding terms.

ln(un+1) = -1 + ln(un)

A recursive formula defining a sequence using natural logarithms.

u0 = 1

The initial value of the sequence.

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Sequence (un)

A list of numbers following a specific pattern or formula.

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vn sequence

A sequence vn is defined by the formula vn = 2 + ln(√un).

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Arithmetic sequence

A sequence where the difference between consecutive terms is constant.

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Common difference 'r'

The constant difference between consecutive terms in an arithmetic sequence.

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First term 'a'

The initial term in a sequence.

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Express vn in terms of n

Find a formula that represents the nth term of the sequence vn using the variable n.

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Calculate I

Find the numerical value of I, a definite integral.

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Integration by parts

A technique for integrating products of functions.

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Definite Integral

An integral with specified limits of integration.

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Value of α makes g(α) = 0

The value of α that sets g(α) equal to zero.

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Area between curves

Calculate area bounded by curves between given x-values

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Sequence Un

A sequence defined recursively by Un+1 = (6Un - 2) / (Un + 3), with U0 = 32.

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Bounded Sequence

A sequence that is limited between two fixed values.

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Convergent Sequence

A sequence that approaches a specific limit as n goes to infinity.

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Integration by Parts

A technique used to integrate products of functions.

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Function f(x)

A function defined by f(x) = x - 3 + (x + 2)^2 * e^(-x).

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Function g(x)

A function defined by g(x) = x * e^(-x).

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Integral I

The definite integral of xe^(-x) dx from 0 to 1.

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Integral J

The definite integral of x^2 * e^(-x) dx from 0 to 1.

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Antiderivative G(x)

An antiderivative of g(x) such that G'(x) = g(x).

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Limit of Un

The value that the sequence Un approaches as n gets infinitely large.

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Recursive Formula (un+1)

A formula defining a sequence where each term depends on the previous term.

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Sequence (un)

An ordered list of numbers.

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un > 0

All terms in the sequence are positive.

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un+1 = e⁻¹un

A recursive formula where the next term is found by multiplying the previous term by e⁻¹.

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u₀ = 1

The first term in the sequence.

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Sn = u₀

The sum of the first n terms of the sequence.

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Monotonic Sequence (un)

A sequence that is either always increasing or always decreasing.

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Decreasing Sequence (un)

A sequence where each term is smaller than the previous term.

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Probability (A)

The likelihood of an event A occurring.

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Cardinals (Ω)

The total number of possibilities in a situation.

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ln(un+1) = -1 + ln(un)

A logarithmic recursive formula for calculating subsequent terms.

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Probability (A)

The likelihood of event A occurring, calculated as the favorable outcomes divided by the total possible outcomes.

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vn = 2 + ln(√un)

A sequence that is a transformation of another sequence, based on the natural log.

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Continoous Decreasing

Consistent decrease

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Equation Intersection Points

Points where two graphical representations intersect; finding where a curve (function) crosses a line (or another function).

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ln(m) and Solutions

The value inside the natural logarithm (ln) determines the number of solutions to the equation. Different values result in different numbers of intersection points between the curve and the line.

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m < 1

For values of 'm' less than 1, the equation has no real solution (no intersection).

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m = 1 (Solution)

With m equal to 1, there is exactly one solution—meaning the line touches the curve at only one point

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1 < m < e

When 1 is less than 'm' and 'm' is less than 'e', the equation has two solutions (two intersection points).

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m ≥ e

For 'm' greater than or equal to 'e', there is one solution (one intersection).

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Integration by Parts

Used to solve integrals of functions expressed as a product.

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Definite Integral

Determines the area under a curve between specific limits (bounds).

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u(x) and Derivative

u(x) represents a function, and u'(x) represents the derivative of that function.

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Function Evaluation

Finding the output (y-value) of a function for a given input (x-value).

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