Open Question: In this equation: Find dy/dx for y?
e^y = squareroot (x^2+4)
e^(2y) = x^2+4 .................(*)
Take the derivative implicitly we have
2e^(2y)*dy/dx = 2x
dy/dx = xe^(-2y)
By using (*) we conclude that
dy/dx = x/(x^2+4)
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