1.

अवकल समीकरणों को हल कीजिये `(xsin^(2)""(y)/(x)-y)dx+xdy=0,y(1)=(pi)/(4)`

Answer» Correct Answer - `cot((y)/(x))=log|x|+1`
`(dy)/(dx)=(y-xsin^(2)y//x)/(x)=(y)/(x)-sin^(2)""(y)/(x)`
माना y=vx


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