Math help with integral pls

[Ildfuggern]

[the_noob]

I would try to solve it for if it wernt that i got a 3.4/10 on a test about it, soi probably am wrong

[kuikentje]

Looks like you're going to have to substitute first (d(root(x))= 1/(2*root(x))), then use a geometric formula (sin(u)*cos(u) = (1/2)*sin(2u)).

Calculate the indefinite, then do the definite.

[Ildfuggern]

Thanks a lot, now I got it
Have a e-hug