Find the volume of the solid that lies under the paraboloid z = 8x2 + 8y2, above the xy-plane, and inside the cylinder x2 + y2 = 2x. solution the solid lies above the disk d whose boundary circle has equation x2 + y2 = 2x or, after completing the square,

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.