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Find the volume V of this solid that is rotating the region bounded by the given curves about the xaxis: y=4/x y=0 x=8 x=16. So far I have the integral pi (4/x)^2  (0)^2 dx. Do I foil 4/x from here? If so, how do I go about doing that? In other problems I've done, that's what I've done from here. Or do I take the antiderivative for the next step?
 11 months ago
 11 months ago
Find the volume V of this solid that is rotating the region bounded by the given curves about the xaxis: y=4/x y=0 x=8 x=16. So far I have the integral pi (4/x)^2  (0)^2 dx. Do I foil 4/x from here? If so, how do I go about doing that? In other problems I've done, that's what I've done from here. Or do I take the antiderivative for the next step?
 11 months ago
 11 months ago

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primeralphBest ResponseYou've already chosen the best response.1
dw:1367719248961:dw
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
Am I taking the antiderivative from here? or what
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
would that be 4 ln x?
 11 months ago

primeralphBest ResponseYou've already chosen the best response.1
My diagram says square 4/x
 11 months ago

primeralphBest ResponseYou've already chosen the best response.1
dw:1367719589813:dw
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
did you square the numerator and denominator separately?
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
oh haha I didn't realize that was legal in the math world. stupid me
 11 months ago

primeralphBest ResponseYou've already chosen the best response.1
huh? that's basic math
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
sometimes I forget those rules. I got 3pi/16 for the answer
 11 months ago

primeralphBest ResponseYou've already chosen the best response.1
dw:1367719834362:dw
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
I put 16 in for x and then squared that and divided by 16. and subtracted that and what I got for doing the same for 8
 11 months ago

primeralphBest ResponseYou've already chosen the best response.1
that should be your integral
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
dw:1367720116352:dw
 11 months ago

primeralphBest ResponseYou've already chosen the best response.1
do you know how to integrate?
 11 months ago

megski312Best ResponseYou've already chosen the best response.0
idk haha that's what I did with the last problem and it was right
 11 months ago
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