Question

(a+1) ( a-1) (a²+1)​

Answer 1

Answer:

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

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

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

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

correct equation for this:(a+b) (a-b)

a^2-b^2

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

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

=a^4-1

Answer 2

(a+1) ( a-1) (a²+1)


Here is you answer

a^4-1