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Find the area of the part of cylinder x^2 + y^2 = 2ay that lies outside the cone
z^2 = x^2 + y^2.
 one year ago
 one year ago
Find the area of the part of cylinder x^2 + y^2 = 2ay that lies outside the cone z^2 = x^2 + y^2.
 one year ago
 one year ago

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mymathcoursesBest ResponseYou've already chosen the best response.0
@TuringTest Hi do you know how to do this question? thx a lot!
 one year ago

TuringTestBest ResponseYou've already chosen the best response.0
I'm a little unsure I did this right, do you know the answer?
 one year ago

TuringTestBest ResponseYou've already chosen the best response.0
dw:1352831101743:dwconvert this to polar coordinates
 one year ago

mymathcoursesBest ResponseYou've already chosen the best response.0
@TuringTest the answer is 16a^2
 one year ago

mymathcoursesBest ResponseYou've already chosen the best response.0
i always got 8a^2, what i did is like using dS=zds and then use polar coordinates integrate from 0 to pi/2 and i got 4a^2 then multiply 2, so finally got 8a^2
 one year ago

mymathcoursesBest ResponseYou've already chosen the best response.0
and the graph for cylinder should be at the positive x axis
 one year ago

TuringTestBest ResponseYou've already chosen the best response.0
I seem to be messing this one up... I'll let you know if I make any progress.
 one year ago
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