Question

find the product of the following
a) (x+1) (x-1) (x²-1)
b) (2a-3b) (2a+3b) (4a²-9b²)​

Answer 1

Answer:

$(x + 1)(x - 1)( {x}^{2} + 1) \\ = ( {x}^{2} - 1)( {x }^{2} + 1) \\ {x}^{4} - 1$