Question

calculas

Answer 1

@hartnn

Answer 2

sketch the region first

Answer 3

if u dont like sketchign the region, you can evaluate directly this one time :

Volume = \[\int \limits_a^b \pi y^2 dx \]

Answer 4

\[= \int \limits_0^5 \pi \left( \dfrac{1}{\sqrt{1+x}}\right)^2 dx \]

Answer 5

awsome thankyou

Answer 6

\[= \pi \int \limits_0^5 \dfrac{1}{1+x} dx \]

Answer 7

evaluate

Answer 8

ok hold on

Answer 9

okay, but its trivial integral... think whats the derivative of : ln |1+x|

Answer 10

the answer is a.

Answer 11

Yep !