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OpenStudy (anonymous):
Integral and u sub problem
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OpenStudy (anonymous):
I think the answer is True.
OpenStudy (anonymous):
true,u=cos(x)
OpenStudy (amistre64):
since u = cos(x) and x = the limits of integration; we can simply rephrase the limits by letting them speak the language of u instead of x
OpenStudy (amistre64):
the thing is, their limits tend to be transposed to me
OpenStudy (amistre64):
cos(0) = 1 , not 1/2 cos(pi/3) = 1/2 ; not 1
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OpenStudy (amistre64):
by flipping the limits you negate the results
OpenStudy (anonymous):
Yeah, that's what I thought. They've been flipped, but I was like "seems legit"!
OpenStudy (amistre64):
|dw:1331646601578:dw|
OpenStudy (amistre64):
so the results arent "equal" or "equivalent" perse
OpenStudy (amistre64):
15 = -15 is false .... but 0 = -0 is true so it depends on the outcome id spose :)
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