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If z(x,y) =x tan^(-1)(xy), x=t^(2), y=se...

If z(x,y) `=x tan^(-1)(xy), x=t^(2), y=se^(t), s, t in R`, Find `(del z)/(del s)` and `(del z)/(del t)` at s=t=1.

Text Solution

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The correct Answer is:
`(3e)/(1+e^2)+2 tan^(-1)e`
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