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Mathematics
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Integration
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\[\int\limits\limits_{-a}^{a} \sqrt{\frac{a-x}{a+x}}\]
Lets say, \( f(x)= \sqrt{\frac{a-x}{a+x}} \) , now f(X) is even or odd?
even or odd?
i dont know :/@Fool
multiply and divide by the numerator
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There is a property of definite integral which I think could be used here.
then the equation becomes solvable
hm letme see
hmm i think i know the answer, but not sure why it should be easy
let x=acosθ
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can you post it ?
|dw:1326825738809:dw|
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