Question

find the integral of...see below

Answer 1

\[\int\limits_{?}x \sqrt{x^2 +3} \]

Answer 2

dx

Answer 3

Use u substitution

Answer 4

do u know if there is a shorter way?

Answer 5

u=x^2+3 dx
du=2x

Answer 6

\[\frac{ 1 }{ 2 }\int\limits \sqrt{u} du\]

Answer 7

\[0.5\int\limits_{?}(u-3)(\sqrt{u})\]

Answer 8

evaluate the integral I posted
where did yours come from?

Answer 9

oh. erm...not sure how igot that really...

Answer 10

let me try and do that...

Answer 11

oh i see how you got that... :)

Answer 12

Yup, now solve for the integral, then just plug x^2+3 back in
gtg

Answer 13

thanks xxx :)

Answer 14

cya !