could someone show me step by step for this such as how to go about/get dy/dx etc. i know the final answer is 4 pi ^2 ab , but I can't seem to get there as no one shows the steps when I attempt i...

Question

Question

7. (5 points) A torus is obtained by revolving around the y-axis the circle Determine the surface area of this torus

could someone show me step by step for this

such as how to go about/get dy/dx etc.

i know the final answer is 4 pi ^2 ab , but I can't seem to get there as no one shows the steps

when I attempt it I end up with 2pi instead of the correct 4pi

math calculus

Answer 1

Answer #1

CvrCle (2Тај (b,o) To get the Suf Aa Surfaca oaa 七-o cl v thtpe yo undens

Answer 2