## anonymous 4 years ago let g(x)= sqrt(8x)-sqrt(2x). find derivative of g(x)

1. anonymous

first write $\sqrt{8x}=2\sqrt{2x}$ then get $2\sqrt{2x}-\sqrt{2x}=\sqrt{2x}$ then take the derivative

2. anonymous

you get via the chain rule $\frac{d}{dx}\sqrt{2x}=\frac{2}{2\sqrt{2x}}=\frac{1}{\sqrt{2x}}$