Question

Factor the (a²-1)b²-4(a²-1)

Answer 1

I dont noooooooooooooo

Answer 2

Step-by-step explanation:

( a² + 1/a² ) + ( b² + 1/b² ) = 4

( a + 1/a )² - 2 + ( b + 1/b )² -2 =4

( a + 1/a )² + ( b + 1/5 ² ) =8

( a + 1/a )² + ( b + 1/b )² =2² + 2²

a= 1 , b= 1

a² + b² = 1 + 1 =2