Question

verify whether the following are zeros of the polynomial p(x) = x2-1,x=1,x=-1​

Answer 1

Let

p(x) = x^2 - 1

Putting x = 1

p(1) = 1^2 – 1

= 1-1

= 0

Since p(1) is equal to 0

Hence, 1 is a zero of polynomial

Putting x = -1

p(-1) = (-1)^2 – 1

= 1-1

= 0

Since p(-1) is equal to 0

Hence -1 is a zero of polynomial

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