Question

Verify that x=1 is a zero of the polynomial 2x power 2 -x-1

Answer 1

Substituting the value of x=1 in the given polynomial, we get

p (x)=2x^2-x-1

p(1)=2 (1)^2-1-1=0

Remainder is 0

Therefore, x=1 is a zero of the given polynomial.