Question

The product of (a − 1 a ) (a + 1 a )and (a 2 + 1 a2 ) is (a) a 4 + 1 a4 (b) a 3 + 1 a3 − 2 (c) a 4 − 1 a4 (d) a 2 + 1 a2 + 2

Answer 1

Answer:

a)a^4+1a^4

Step-by-step explanation:

(a − 1 a ) (a + 1 a ) (a^2 + 1 a^2 )

=(a^2-1a^2)(a^2+1a^2)

=a^4-1a^4