1st

$\displaystyle f(x)=x(6x-1)^\frac{1}{2} $

so what is the derivative? ive nevewr used the function of a fnction with an x out the front.

thankyou

also does anyone know where i can find a lot of calculus question (im in year 11) or trig questions as i have an exam in 2 days that i really need to go well in