For each of the following, if it is true prove it and if it is not true give a specific example for which the statement is false. (a) If r1r1 is a zero of polynomial P1(x)P1(x) and r2r2 is a zero of polynomial P2(x)P2(x), then r1−r2r1−r2 is a zero of polynomial P1(x)−P2(x)P1(x)−P2(x).

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