Question

if y=x^21 then the value of dy/dx isif y=x^21 then the value of dy/dx is

Answer 1

Answer:

$y = {x}^{21}$

Also we know that

$\frac{d( {x}^{n} )}{dx} = n {x}^{n - 1}$

Therefore

$\frac{dy}{dx} = 21 {x}^{21 - 1} = 21 {x}^{20}$

So the required derivative is obtained.