Question

Integral of (1/(1+y^2)^(3/2))dy???

Answer 1

Well do u wanna use u subsitution?

Answer 2

I don't really know. I tried to integrate by parts, but apparently it's wrong.. or I did it wrong.

Answer 3

well wrong according to what?

Answer 4

according to wolframalpha lol

Answer 5

u can get diff answers depending on the way u integrate but it is in reality all the sam answer

Answer 6

I think subsitution is easier

Answer 7

ohhh maybe not

Answer 8

Well, they put y=tanu and then they did something, but I don't understand it :/

Answer 9

ohh they used trig subsitution

Answer 10

but i guess u didnt learn that

Answer 11

ya that wld be the simplest

Answer 12

did u learn trig subsitution yet?

Answer 13

Nope, never learned it. this is for my DE class :(

Answer 14

lol that is weird

Answer 15

k give me a sec to figure it out

Answer 16

ok thanks