Find the intervals in which the function f given by `f(x)=x^(3)+1/x^(3) (x ne 0)` is decreasing

Find the intervals in which the function f given by f(x)=x^(3)+1/x^(3) (x ne 0) is increasing

Find the intervals in which the function f given by f(x) = x^3 + (1/x^3), x ne 0 is increasing.

Find the intervals in which the function f given by f(x)=x^3+1/x^3 , x ne 0 is (i) increasing (ii) decreasing

Find the intervals in which the function f given f(x)=x^(3)+(1)/(x^(3)), x ne 0 is (i) increasing (ii) decreasing.

Find the intervals in which the function f given by f(x) =x^(3) +(1)/(x^(3)) , xne 0 is (i) increasing (ii) decreasing .

Find the intervals in which the function f given by f(x) =x^(3) +(1)/(x^(3)) , xne 0 is (i) increasing (ii) decreasing .