Question

22. Verify whether 1 and -1 are zeroes of the polynomial x2 - 1 or not.​

Answer 1

Answer:

for x=1

x^2 - 1 = 0

(1)^2 - 1 = 0

1 - 1 = 0

0 = 0

Hence, 1 is a polynomial of x^2 - 1

for x = (-1)

x^2 - 1 = 0

(-1)^2 - 1 = 0

1 - 1 = 0

0 = 0

Hence, (-1) is also a polynomial of x^2 - 1