MCQOPTIONS
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| 1. |
The solution of the differential equation \[{{x}^{2}}\frac{dy}{dx}\cos \frac{1}{x}-y\sin \frac{1}{x}=-1\], where \[y\to -1\,\,as\,\,x\to \infty \]is |
| A. | \[y=\sin \frac{1}{x}-\cos \frac{1}{x}\] |
| B. | \[y=\frac{x+1}{x\sin \frac{1}{x}}\] |
| C. | \[y=\cos \frac{1}{x}+sin\frac{1}{x}\] |
| D. | \[y=\frac{x+1}{x\cos 1/x}\] |
| Answer» B. \[y=\frac{x+1}{x\sin \frac{1}{x}}\] | |