For what value of x, the differential co-efficient of `(x^2+1)/(x-2)` is zero

The differential co- efficient of e^(x^(3)) with respect to log x is

What is the differential co-efficient of "tan"^(-1)sqrt(1+x^2-1)/x with respect to tan^(-1)x

The co-efficient of x^(2) in sqrt(2)x-1 is

Differentiate the function x^(x cos x)+(x^2+1)/(x^2-1)

The sum of the co-efficient of the expansion of (a^4x^2-2a^2x+1)^101 is zero.find the value of a.

Differentiate cos^(-1)((1-x^2)/(1+x^2)) .

If the co-efficient of x^(2r) is greater than half of the co-efficient of x^(2r+1) in the expansion of (1+x)^(15) , then the possible value of 'r' equal to :

If the co-efficient of x^(2r) is greater than half of the co-efficient of x^(2r+1) in the expansion of (1+x)^(15) , then the possible value of 'r' equal to :

Differentiate x^(x cos x)+(x^(2)+1)/(x^(2)-1) with respect to x: