If $x = - 6$ , evaluate
(iii) $2 x^{3}$

Open in App

Solution

Given : $2 x^{3}$

Substituting , $x = - 6$ in the given expression

$2 x^{3} = 2 \times (- 6)^{3}$
$= 2 \times (- 216)$
$= - 432$

Hence, the value of $2 x^{3}$ for $x = - 6$ is $- 432$ .

Suggest Corrections

Similar questions

\lim_{x \to 2} \frac{x^{3} + 3 x^{2} - 9 x - 2}{x^{3} - x - 6}

${lim}_{x \to 2} \frac{x^{3} - 3 x^{2} - 9 x - 2}{x^{3} - x - 6}$

x = - 6

\frac{x^{2}}{2}

x = 4

\frac{x^{2}}{2}

x = - 6

2 x^{3}

Join BYJU'S Learning Program