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Mathematics 22 Online
OpenStudy (legomyego180):

Calculus (Integration)

OpenStudy (legomyego180):

\[\int\limits_{}^{}\frac{ 3 }{ 1-x^2 }\]

OpenStudy (togundeji):

What grade are you in? How old are you? @legomyego180

OpenStudy (legomyego180):

This is college calculus, 24 years old

OpenStudy (togundeji):

if you don'r mind me asking

OpenStudy (togundeji):

No way! You're in collage!?

OpenStudy (togundeji):

I am only a 10th grader in highschool....

OpenStudy (togundeji):

I thought this website was just for kids....

OpenStudy (legomyego180):

Nope, see how my question says "college" on it, that means its a college level question

Nnesha (nnesha):

lol there are 53+ years old users :P

OpenStudy (legomyego180):

Do you know how to do this @Nnesha ?

Nnesha (nnesha):

is that suppose to be `1+x^2` ??

Nnesha (nnesha):

d*

OpenStudy (legomyego180):

\[\int\limits_{}^{}\frac{ 3 }{ \sqrt{1-x^2} }\]

OpenStudy (legomyego180):

sorry about that

Nnesha (nnesha):

oh okay now make sense

OpenStudy (togundeji):

interesting to know open study has no age base.....

OpenStudy (legomyego180):

The age base is definitely age 17 and under I think. You can tell by the questions being asked. Its all highschool math mostly.

Nnesha (nnesha):

this is same as \[\int\limits_{}^{}\frac{ 3 }{ \sqrt{1-x^2} }dx\] \[\int\limits_{}^{}\frac{ 1 }{ \sqrt{1-x^2} } \cdot 3 dx\]

OpenStudy (legomyego180):

right. im setting u=1-x^2

OpenStudy (legomyego180):

But I get 2x and that just doesnt work

OpenStudy (togundeji):

True! Lol! Hope you ace what ever assignment you got! @legomyego180

Nnesha (nnesha):

that should be `-2x` but as you can that's not gonna help you to simplify right

Nnesha (nnesha):

see*

OpenStudy (legomyego180):

Thanks @ TOgundeji! Hm, interesting, there must be another way...

Nnesha (nnesha):

invs trig functions:

Nnesha (nnesha):

gtg

OpenStudy (legomyego180):

Ah, 3arccos(x)+c then

OpenStudy (zarkon):

almost

OpenStudy (zarkon):

\[\frac{d}{dx}[3 \arccos(x)+c] = -\frac{3}{\sqrt{1-x^2}}\]

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