1.

If y = "Tan^(-1) (((3-x)sqrt(x))/(1 - 3x)) then (dy)/(dx) =

Answer»

`3/((1 + X)sqrt(x))`
`3/(2(1 + x) sqrt(x))`
`(-3)/(2(1 + x) sqrt(x))`
`0`

Answer :B


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