Question

integral x*sqrt (x^2+9)

Answer 1

substitute u = x² + 9

Answer 2

u-sub.. u=x^+9 du=2xdx

Answer 3

awwe man... beat me to it...

Answer 4

and i didn't even type it in right....

Answer 5

yeah i know that part thanks but.. i need what the answer is to check

Answer 6

what does your answer book say? i'll tell you if i have the same...

Answer 7

98/3 there is definate integras i wanted to know jusat the indefinate part

Answer 8

give me the limits and i'll check against mine... what's the lower/upper limits of integration?

Answer 9

how did you get 98/3 without the antiderivative?

Answer 10

you wanted to know the answer in the book

Answer 11

which is 98/3

Answer 12

and i got the answer .. thanks anyway