Martin E.

asked • 11/11/18

Solve y^4 = y^2 - x^2 to obtain four separate implicit functions of the equation

Use the quadratic formula to solve the equation y4-y2+x2=0 for y2 in terms of x. Then take the square root of both sides to solve these two equations for y.

I haven't done the quadratic equation in years and have no idea how this equation fits into the quadratic formula.

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