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Mathematics 9 Online
OpenStudy (anonymous):

How would you solve this integral? I'll type up the problem in the comments

OpenStudy (anonymous):

\[\int\limits_{}^{}dx/(25+36x^2)^(7/2)\] the 7/2 is an exponent

OpenStudy (abb0t):

\[\int\limits \frac{ dx }{ \sqrt{[25+36x^2]^7} }\] yes?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

I forgot I could write it like that, it's been a long night lol

OpenStudy (abb0t):

Well, I think that you could use trig substitution for this integral.

OpenStudy (anonymous):

What trig sub would you use?

OpenStudy (abb0t):

\[x = \frac{ a }{ b }\tan(\theta)\]

OpenStudy (abb0t):

where \[ax^2+b\]

OpenStudy (anonymous):

ok

OpenStudy (abb0t):

Can you finish the problem from here?

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