Sita is celebrating her birthday in fun city where she has invited her friends.There is a swing which is moving along the function `f(x)=x^3 + 1/(x^3)`.

Answer Questions:
Find the slope of the given function:

Options

A. `x^2 + 3/(x^4)`
B. `3x^2 - 3/(x^4)`
C. `3/(x^2) + 3/(x^4)`
D. `3/(x^2) -3x^4`

Answer

B