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Finding the minimum and maximum with base e

Find the complete solution of this equation problem

y^4 - y^2 = 4x + 2xe^(-x)

Solution Preview

when y = 0
=> x = 0
e^(-x) = -2 ( not possible)

when x = 0
y^2 (y^2 -1) = ...

Solution Summary

The minimum and maximum of a function is found using derivatives.

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