MCQOPTIONS
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| 1. |
The solution of the differential equation \[({{x}^{2}}-y{{x}^{2}})\frac{dy}{dx}+{{y}^{2}}+x{{y}^{2}}=0\] is [Pb. CET 2003] |
| A. | \[\log \left( \frac{x}{y} \right)=\frac{1}{x}+\frac{1}{y}+c\] |
| B. | \[\log \left( \frac{y}{x} \right)=\frac{1}{x}+\frac{1}{y}+c\] |
| C. | \[\log \left( xy \right)=\frac{1}{x}+\frac{1}{y}+c\] |
| D. | \[\log \left( xy \right)+\frac{1}{x}+\frac{1}{y}=c\] |
| Answer» B. \[\log \left( \frac{y}{x} \right)=\frac{1}{x}+\frac{1}{y}+c\] | |