1.

Find `(dy)/(dx)`, when : `y=((sinx+x^(2)))/(cot 2x)`

Answer» Correct Answer - `2(sinx+x^(2))sec^(2)2x+(cosx+2x)tan2x`
`y=(sinx+x^(2))tan2x`
`rArr(dy)/(dx)=(sinx+x^(2)).(d)/(dx)(tan2x)+tan2x.(d)/(dx)(sinx+x^(2)).`


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