What is the volume of this figureThanks a lot! :)
2 answers:
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Answer:
Step-by-step explanation:
We are to integrate the function
over the area enclosed by the circle
Convert into polar coordinates
x=rcost and y = rsint
Since the lines are x=0 and y=x we find that t varies from 0 to pi/4
Double integral will become now
(since variables are independent here)
Substitute for r and t
4 sin pi/4 -2 cospi/4
=