1.

Verify whether the values of x is zero of the polynomial or not ?p(x) = x2 – 1; x = ±1

Answer»

The value of p(x) at x = 1 and – 1 is

p(1) = 12 – 1 = 0 

p(-1) = (-1)2 -1 = 0 

∴ x = ±1 is a zero of p(x).



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