Question

verify whether x=1 , -1 are zeroes of polynomial f(x) = xsquare - 1​

Answer 1

Answer:

$f(x) = {x}^{2} - 1 \\ \\ f(1) = {1}^{2} - 1 \\ \\ = 0 \\ \\ f( - 1) = {( - 1)}^{2} - 1 \\ \\ = 0$

Verified!