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Linear Equations Systems
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Linear Equations Systems

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Questions and Answers

What is a condition for rX₁ + sX₂ to be a solution to the system of linear equations AX = B?

  • r + s = 1 (correct)
  • r and s are integers
  • r and s are any real numbers
  • r - s = 1

    • If X₁ and X₂ are solutions to AX = B, which of the following is also a solution?

  • X₁ - X₂
  • 2X₁ - X₂ (correct)
  • -X₁ + 2X₂
  • X₁ + X₂

    • What can be said about the solutions to AX = 0?

  • Any linear combination is a solution (correct)
  • Only scalar multiples of a solution are solutions
  • rX₁ + sX₂ is a solution if r + s = 0
  • Only integer multiples of a solution are solutions

    • If X₁, X₂, and X₃ are solutions to AX = B, which of the following is also a solution?

    <p>2X₁ + 3X₂ - X₃</p> Signup and view all the answers

    If X₁ and X₂ are two solutions to AX = B, what can be said about 3X₁ - 2X₂?

    <p>It is a solution</p> Signup and view all the answers

    ما هو الغرض الأساسي Behind التواصل الاجتماعي؟

    <p>تغيير السلوك الإنساني</p> Signup and view all the answers

    ما هو المConcept الرئيسي behind التواصل الاجتماعي؟

    <p>التفاعل الاجتماعي</p> Signup and view all the answers

    ما هوالنتيجة النهائية للتواصل الاجتماعي؟

    <p>تغيير السلوك الإنساني</p> Signup and view all the answers

    ما هو النوع من التواصل الذي يهتم بالاتصال الاجتماعي؟

    <p>الاتصال الاجتماعي</p> Signup and view all the answers

    ما هو العملية الرئيسية التي يقوم بها التواصل الاجتماعي؟

    <p>تفاعل اجتماعي</p> Signup and view all the answers

    ما هو الهدف الرئيسي من التواصل الاجتماعي؟

    <p>تغيير السلوك الإنساني</p> Signup and view all the answers

    ما هو النوع من التواصل الذي يمارس في المجتمع؟

    <p>الاتصال الاجتماعي</p> Signup and view all the answers

    ما هو الغرض الأساسي من عملية التواصل الاجتماعي؟

    <p>تغيير السلوك الإنساني</p> Signup and view all the answers

    ما هو النوع من التواصل الذي يقوم بنقل المعلومات؟

    <p>الاتصال الاجتماعي</p> Signup and view all the answers

    ما هو الهدف من عملية التواصل الاجتماعي؟

    <p>تغيير السلوك الإنساني</p> Signup and view all the answers

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