MCQ
The differential coefficient of ${x^6}$ with respect to ${x^3}$ is
  • A
    $5{x^2}$
  • $2{x^3}$
  • C
    $5{x^5}$
  • D
    $3{x^3}$

Answer

Correct option: B.
$2{x^3}$
b
(d) Let $y = {x^6}$ and $z = {x^3}$; 

$\therefore \frac{{dy}}{{dz}} = \frac{{dy/dx}}{{dz/dx}} = \frac{{6{x^5}}}{{3{x^2}}} = 2{x^3}$

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