diff-equation

Question: Equation of curve through point $(1,\,0)$which satisfies the differential equation $(1+{{y}^{2}})dx-xydy=0$, is



1) ${{x}^{2}}+{{y}^{2}}=1$
2) ${{x}^{2}}-{{y}^{2}}=1$
3) $2{{x}^{2}}+{{y}^{2}}=2$
4) None of these
Solution: Explanation: No Explanation
Miscellaneous differential equations

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