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May 6, 2015

Homework Help: Calculus I

Posted by Emily on Monday, March 5, 2012 at 8:17pm.

Show that the equation x^4 + 4x + c = 0 has at most two real roots.

I believe we're supposed to prove this by proof of contradiction using Rolle's Theorem, but I'm not quite sure how to do this problem.

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