I got 38.767. I did the pi times the integral from -1 to 1 of ∫((4-x^8)^2-(4-1)^2)dx. Let me know if this helped or if you still have questions :)

Mari L.
asked 03/15/21I got 38.767. I did the pi times the integral from -1 to 1 of ∫((4-x^8)^2-(4-1)^2)dx. Let me know if this helped or if you still have questions :)
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Doug C.
FYI, I got the same answer, and also an exact answer: 1888pi/15303/15/21