Question

find deviation dy/dx
y =(2x+5)^4

Answer 1

$given \: y = ({2x + 5})^{4} \\ dy \div dx = 4 ( {2x + 5})^{3} \times 2 \\ dy \div dx = 8 ( {2x + 5})^{3}$

Answer 2

y= (2x+5)^4
Dy/DX= 4{(2x+5)^3} (2)
= 8(2x+5)^3