MCQOPTIONS
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| 1. |
Integrating factor of \[\frac{dy}{dx}+\frac{y}{x}={{x}^{3}}-3\]is [MP PET 1999] |
| A. | \[x\] |
| B. | \[\log x\] |
| C. | \[-x\] |
| D. | \[{{e}^{x}}\] |
| Answer» B. \[\log x\] | |