MCQOPTIONS
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MCQOPTIONS
| 1. |
The function f(t) satisfies the differential equation \(\frac{{{d^2}f}}{{d{t^2}}} + f = 0\) and the auxiliary conditions, \(f\left( 0 \right) = 0,\ \frac{{df}}{{dt}} \left( 0 \right) = 4\). The Laplace transform of f(t) is given by |
| A. | \(\frac{2}{{s + 1}}\) |
| B. | \(\frac{4}{{s + 1}}\) |
| C. | \(\frac{4}{{{s^2} + 1}}\) |
| D. | \(\frac{2}{{{s^4} + 1}}\) |
| Answer» D. \(\frac{2}{{{s^4} + 1}}\) | |