Polynomial of degree 2

timer Asked: Feb 5th, 2013

Question Description

Suppose that a polynomial P_2(x) of degree 2 has a simple root at x_1 and

a double root at x_2. Show that it must be identically 0 (i.e., it is simply

the number 0). (Reminder: at the double root P'_2 = 0). 

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