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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mathematics knowledge and support exam preparation. Choose a topic below to get started.
1. |
Let f(x) = ex sinh(x) / x, let y(n) denote the nth derivative of f(x) at x = 0 then the expression for y(n) is given by |
A. | \(\sum_{i=0}^n \frac{c_{2i}^n}{2i+1}\) |
B. | \(\sum_{i=0}^n \frac{1}{2i+1}\) |
C. | 1 |
D. | Has no general form |
Answer» B. \(\sum_{i=0}^n \frac{1}{2i+1}\) | |
2. |
Let f(x)=\(\frac{e^x \times sin(x)}{x}\) and let the nth derivative at x = 0 be given by y(n) Then the value of the expression for y(n) is given by |
A. | \(\frac{\pi n}{4}\) |
B. | \(\sum_{i=0}^{i<=n}\frac{(-1)^i c_{2i}^n}{2i+1}\) |
C. | πn |
D. | \(\frac{\pi}{2n}\) |
Answer» C. πn | |
3. |
For the given function f(x)=\(\sqrt{x^3+x^7}\) the values of first and second derivative at x = 1 are assumed as 0 and 1 respectively. Then the value of the third derivative could be |
A. | 54√2 |
B. | 2√2 |
C. | √2 |
D. | Indeterminate |
Answer» B. 2√2 | |
4. |
If the first and second derivatives at x = 0 of the function f(x)=\(\frac{cos(x)}{x^2-x+1}\)were 2 and 3 then the value of the third derivative is |
A. | -3 |
B. | 3 |
C. | 2 |
D. | 1 |
Answer» C. 2 | |
5. |
Let f(x) = tan(x) and let y(n) denote the nth derivative of f(x) then the value of y(9998879879789776) is |
A. | 908090988 |
B. | 0 |
C. | 989 |
D. | 1729 |
Answer» C. 989 | |
6. |
Let f(x) = \(\sqrt{1-x^2}\) and let y(n) denote the nth derivative of f(x) at x = 0 then the value of 6y (1) y(2) + 2y(3) is |
A. | -998 |
B. | 0 |
C. | 998 |
D. | -1 |
Answer» C. 998 | |
7. |
Let f(x) = ln(x)/x+1 and let y(n) denote the nth derivative of f(x) at x = 1 then the value of 2y(100) + 100y(99) |
A. | (99)! |
B. | (-99)! |
C. | (100)! |
D. | (-98)! |
Answer» C. (100)! | |
8. |
Let f(x) = sin(x)/1+x2. Let y(n) denote the nth derivative of f(x) at x = 0 then the value of y(100) + 9900y(98) is |
A. | 0 |
B. | -1 |
C. | 100 |
D. | 1729 |
Answer» B. -1 | |