1.

If a function is represented parametrically by the equations x=(1+log_(e)t)/(t^2),y =(3+2log_et)/(t) , then which of the following statement are true ?

Answer»

`y''(x-2xy')=y`
`yy'=2x(y')^2+1`
`xy'=2y(y')^2+2`
`y''(y-4xy')=(y')^2`

ANSWER :B::D


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