Question

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Answer 1

Here is a graph of the region

Answer 2

you can integrate stacked "rings" (over dy)
or thin cylinders over dx

Answer 3

I got pi times the integral from 0 to 3 of ((sqrt(25-y^2)^2-4^2) dy

Answer 4

yes.

that is \(\pi \int\limits_0^3 ~ (25-y^2)-4^2 ~ dy\)

Answer 5

im not sure if it's a or d thoo

Answer 6

d right?

Answer 7

@IrishBoy123

Answer 8

looks that way

Answer 9

thanks!