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Ok Paul, Here's A Math Question That's Probably Easy For You...

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Posted by Mark on December 31, 2003 18:53:52 UTC

And it's been driving me crazy!!

How do I evaluate an integral using the substituion method, when the damned variable doesn't cancel?

...or is susbstitution the wrong route to go on these types?

Here's the problem that's stumped me:

Find the antiderivative of f(x) = sqrt(1 - x^2)

I know the answer involves arcsin(x) but I don't know how, why, or where that term came from.

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