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anonymous
 5 years ago
\[\int\limits_{}^{} \sqrt{t^{2}1} dt\]
usub?
anonymous
 5 years ago
\[\int\limits_{}^{} \sqrt{t^{2}1} dt\] usub?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i dont think this is a u sub.... try doing integration by parts

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wait no i dont think that will workx

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I think you want a trig substitution.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so like maybe the reciprocal of arcsec then?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0cause arcsec is 1/(u^2  a^2)^.5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0soo maybe if you flip it around for both sides..... you would get the integral of ure EQ.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\int\sqrt{t^21}dt = \int sec(t) dt \]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Beyond that you'll either need to use a table or derive the integral of the sec function.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Wait, no that's wrong.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0http://en.wikipedia.org/wiki/Trigonometric_substitution#Integrals_containing_x2_.E2.88.92_a2
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