Question

please solve and give me the correct anwer​

Answer 1

Answer:

Evaluating your integral:

2π∫40xx−−√dx=2π∫40x3/2dx=2π25x5/2∣∣∣40=128π5

Hopefully this is what you were getting.

BUT. If we rotate around the x-axis (not the y-axis) then we will get 8π as follows:

2π∫20y⋅y2dy=2π∫20y3dy=2πy44∣∣∣20=8π

So the question now remains as to which axis you really want.

Answer 2

Answer:

x=4 and y=3

Step-by-step explanation:

you can check by putting these in equation

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