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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Ordinary Differential Equations knowledge and support exam preparation. Choose a topic below to get started.
1. |
The equation \(2\frac{dy}{dx} – xy = y^{-2},\) is an example for Bernoulli’s equation. |
A. | False |
B. | True |
Answer» C. | |
2. |
Which of the following is the property of error function? |
A. | erf (0) = 1 |
B. | erf (∞) = 1 |
C. | erf (0) = ∞ |
D. | erf (∞) = 0 |
Answer» C. erf (0) = ∞ | |
3. |
Beta function is not a symmetric function. |
A. | True |
B. | False |
Answer» C. | |
4. |
Which of the following is one of the criterions for linearity of an equation? |
A. | The dependent variable and its derivatives should be of second order |
B. | The dependent variable and its derivatives should not be of same order |
C. | Each coefficient does not depend on the independent variable |
D. | Each coefficient depends only on the independent variable |
Answer» E. | |
5. |
\(xy^3(\frac{dy}{dx})^2+yx^2+\frac{dy}{dx}=0\) is a _____________ |
A. | Second order, third degree, linear differential equation |
B. | First order, third degree, non-linear differential equation |
C. | First order, third degree, linear differential equation |
D. | Second order, third degree, non-linear differential equation |
Answer» C. First order, third degree, linear differential equation | |
6. |
Determine the current i(t) for the circuit shown, if the initial current is zero. |
A. | i(t) = 9 – 9e8t |
B. | i(t) = 9 – e-8t |
C. | i(t) = 9 – 9e-8t |
D. | i(t) = 8 – 9e-8t |
Answer» D. i(t) = 8 – 9e-8t | |
7. |
Find the solution of the system using Gauss Elimination method. |
A. | x = 18, y = -18, z = -22 |
B. | x = -12, y = -18, z = 22 |
C. | x = 34, y = -18, z = -22 |
D. | x = -18, y = -12, z = 22View Answer |
Answer» D. x = -18, y = -12, z = 22View Answer | |
8. |
Find the solution for \(\lim_{x\to 0} \frac{ax}{ax+x}.\) |
A. | 0 |
B. | a |
C. | 1 |
D. | \(\frac{a}{a+1}\) |
Answer» E. | |