Calculus for Engineers

What is the first step in finding a stationary point?

Determine the derivative of y with respect to x (correct)
Find the value of y when x is equal to 0
Substitute the values of x into the original equation
Find the second derivative of y with respect to x

What is the purpose of step (iii) in the procedure?

To find the values of x corresponding to the stationary points
To find the second derivative of y with respect to x
To determine the nature of the stationary points
To substitute the values of x into the original equation (correct)

What is indicated by a positive second derivative at a stationary point?

A turning point
A minimum point (correct)
A maximum point
A point of inflexion

What is the coordinate of the turning point in the example given?

(1,-3) (B) Signup and view all the answers

What is the condition for a stationary point to be a maximum point?

The second derivative is negative (B) Signup and view all the answers

What is the purpose of finding the second derivative of y with respect to x?

To determine the nature of the stationary points (C) Signup and view all the answers

What is the actual solution to a differential equation?

The specific solution that satisfies the differential equation and the initial condition (D) Signup and view all the answers

What is the general form of a first order differential equation?

𝑑𝑦 = 𝑓(𝑦, 𝑡) 𝑑𝑡 (D) Signup and view all the answers

What is the purpose of the integrating factor in linear differential equations?

To make the equation integrable (D) Signup and view all the answers

What is the form of a linear first order differential equation?

𝑑𝑦 + 𝑝(𝑡)𝑦 = 𝑔(𝑡) 𝑑𝑡 (D) Signup and view all the answers

Why is there no general formula for the solution to a first order differential equation?

Because there are several special cases (A) Signup and view all the answers

What is the purpose of the function 𝜇(𝑡) in linear differential equations?

To make the equation integrable (C) Signup and view all the answers

What is the main objective of the Calculus course?

To provide students with the fundamental concepts of calculus (A) Signup and view all the answers

What percentage of the assessment is continuous?

40% (A) Signup and view all the answers

What is one of the skills that students should have after completing the course?

Apply differentiation to solve maxima and minima problems (D) Signup and view all the answers

How many course goals are listed in the lecture note?

11 (A) Signup and view all the answers

What is one of the advanced techniques of integration mentioned in the course goals?

Integration by parts (C) Signup and view all the answers

What mathematical function is mentioned in the course goals?

All of the above (D) Signup and view all the answers

What is the condition required for equation (4.10) to be true?

𝜇(𝑡)𝑝(𝑡) = 𝑑𝜇(𝑡) (C) Signup and view all the answers

What is the left-hand side of equation (4.12)?

The product rule (D) Signup and view all the answers

What is the purpose of integrating both sides of equation (4.13)?

To find the general solution (D) Signup and view all the answers

What is the relationship between 𝑝(𝑡) and 𝜇(𝑡)?

𝑝(𝑡) = 𝜇(𝑡)′/𝜇(𝑡) (D) Signup and view all the answers

What is the general form of 𝜇(𝑡)?

𝜇(𝑡) = 𝑘 𝑒 ∫ 𝑝(𝑡)𝑑𝑡 (A) Signup and view all the answers

What is the value of 𝑝(𝑡) in Example 1?

0.196 (D) Signup and view all the answers

What is a separable differential equation?

Any differential equation that can be written in the form 𝑁(𝑦) 𝑑𝑦 = 𝑀(𝑥) 𝑑𝑥 (B) Signup and view all the answers

What is the purpose of separating the variables in a differential equation?

To separate the variables and integrate both sides (A) Signup and view all the answers

What is the result of integrating both sides of a separable differential equation?

An implicit solution for y(x) (D) Signup and view all the answers

What is the first step in solving a separable differential equation?

Separate the variables and rewrite the equation (A) Signup and view all the answers

What is the purpose of the initial value problem (IVP)?

To find the particular solution to the differential equation (B) Signup and view all the answers

What is the result of solving the IVP in Example 1?