Evaluate the integral over the $\int_c$ |y| ds where curve c is given by the equation $(x^2+y^2)^2=40^2(x^2-y^2)$
I used polar coordinates but keep getting 0 as a answer. Help?
2026-03-28 22:28:09.1774736889
How to evaluate a line integral over the lemniscate of Bernoulli
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