MCQOPTIONS
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MCQOPTIONS
| 1. |
The general solution of the differential equation \[\frac{{{d}^{2}}y}{d{{x}^{2}}}=\cos \,\,nx\] is |
| A. | \[{{n}^{2}}y+\cos \,\,nx={{n}^{2}}(Cx+D)\] |
| B. | \[{{n}^{2}}y-sin\,\,nx={{n}^{2}}(-Cx+D)\] |
| C. | \[{{n}^{2}}y+\cos \,\,nx=\frac{Cx+D}{{{n}^{2}}}\] |
| D. | None of these. [Where C and D are arbitrary constants] |
| Answer» B. \[{{n}^{2}}y-sin\,\,nx={{n}^{2}}(-Cx+D)\] | |