Question

Find the product of (a-1/a), (a+1/a) , (a^3 + 1/ a^2) and (a^4 + 1/a^4) using suitable identities

Answer 1

Step-by-step explanation:

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

(a^2-1/a^2) ( a^2+1/a^2) = (a^4-1/a^4)

( a^4-1/a^4)(a^4+1/ a^4) = (a^8-1/a^8)