Question

differentiate cos (x³+x²+x+5) w.r.t x​

Answer 1

$\frac{d}{dx}\left(\cos \left(x^3+x^2+x+5\right)\right)$

$=-\sin \left(x^3+x^2+x+5\right)\frac{d}{dx}\left(x^3+x^2+x+5\right)$

$=-\sin \left(x^3+x^2+x+5\right)\left(3x^2+2x+1\right)$

Answer 2

Answer:

$(cos(x3+x2+x+5))</p><p>=-\sin \left(x^3+x^2+x+5\right)\frac{d}{dx}\left(x^3+x^2+x+5\right)=−sin(x3+x2+x+5)dxd(x3+x2+x+5)</p><p>=-\sin \left(x^3+x^2+x+5\right)\left(3x^2+2x+1\right)=−sin(x3+x2+x+5)(3x2+2x+1)</p><p>$