Question

Find the GCD of x⁴-1 and x²-1

Answer 1

Answer:

(x²-1)

Step-by-step explanation:

x⁴-1 = (x²-1) (x²+1)

hence GCD : (x²-1)

Answer 2

Answer:

GCD is (x-1)(x+1)

Step-by-step explanation:

x⁴-1 =(x²)²-1²

=(x²-1)(x²+1)

=(x-1)(x+1)(x+1)(x²+1)

(x²-1²)=(x-1)(x+1)

GCD is (x-1)(x+1)