MCQOPTIONS
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| 1. |
If integrating factor of \[x(1-{{x}^{2}})dy+(2{{x}^{2}}y-y-a{{x}^{3}})dx=0\] is \[{{e}^{\int_{{}}^{{}}{Pdx}}},\] then P is equal to [MP PET 1999] |
| A. | \[\frac{2{{x}^{2}}-a{{x}^{3}}}{x(1-{{x}^{2}})}\] |
| B. | \[(2{{x}^{2}}-1)\] |
| C. | \[\frac{2{{x}^{2}}-1}{a{{x}^{3}}}\] |
| D. | \[\frac{(2{{x}^{2}}-1)}{x(1-{{x}^{2}})}\] |
| Answer» E. | |