If f(x)= x - 1^ 3 x^3 then f(x) +f (1 x )is equal to: - Vidyadip

MCQ

If $\text{f}(\text{x})=\frac{\text{x - 1}^{3}}{\text{x}^3}$ then $\text{f}(\text{x}) +\text{f}\big(\frac{1}{\text{x}}\big)$is equal to:

A
$2\text{x}^{3}$
B
$\frac{1}{\text{x}^{3}}$
✓
$0$
D
$1$

✓

Answer

Correct option: C.

$0$

$0$

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