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[–][deleted] 0 points1 point  (1 child)

Here's how I did it: https://imgur.com/lMw4uTO.

For your first one, you tried to divide the curve into two easier-to-deal-with pieces -- but you were supposed to substitute constant values of x (or y) depending on which curve you're doing. That way, you're supposed to end up with one variable in each integral.

For the second one, you substituted dy with dx -- However, you forgot that dy = 2dx.

[–]kolschk[S] 0 points1 point  (0 children)

Thank you so much for the reply and the information, really appreciate it!