Question

Factorise x⁴-1
please give the correct answer​

Answer 1

Answer:

(x²)²-(1)²

(x²+1)(x²-1)

(x²+1) (x²-1²)

(x²+1) (x+1)(x-1)

Step-by-step explanation:

HOPE IT HELPS TO YOU :)

Answer 2

Answer:

Formula used:-

(a²-b²)

(a²+b²)(a²-b²)

(a²-b²)

Step-by-step explanation:

x⁴-1

(x²)²-(1)²

(x²-1)(x²+1)

(x+1)(x-1)(x²+1)

(x²+1)(x+1)(x-1)