Question

Find f '(x) when f(x) = {x[sin(x^2)]^(2)}/sqrt(1+(x^2)).

Answer 1

well you can use quotient rule ... this is going to be super messy lol

Answer 2

I know. I've tried. But when I plug it into the computer it says it's incorrect and I'm using all the brackets & parenthesis I can. So I'm guess I'm making some sort of mathematical error.

Answer 3

can you lik attach a pic of your work?

Answer 4

Sorry I'm not next to a scanner right now.

Answer 5

alright what did you get when you did the quotient rule?

Answer 6

yup - super messy one this

Answer 7

haha yeah

Answer 8

and you can simplify with the x^2 on the top and bottom

Answer 9

you still there?

Answer 10

o wait i forgot the x hold on

Answer 11

\[\frac{4x^2sinx^2cosx^2-x}{(1+x^2)^{\frac{1}2}}\]

Answer 12

Sorry I disappeared yesterday, I had classes and work. And during my little break I ended up getting it right. Thanks for your help and time.