I have this equation and I'm trying to solve for $M$ but it is not working out. Can someone please help me?

$$ \frac{M}{M^2 + 1} = \epsilon .$$

  • 4
    $\begingroup$ $\epsilon M^2 - M + \epsilon = 0$ ? $\endgroup$ – Claude Leibovici Mar 28 '14 at 6:46

Multiply the denominator out to get $M=\epsilon M^2+\epsilon$ and then use the quadratic equation.


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