Question

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

find what will come in the blank space​

Answer 1

Answer:

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

Step-by-step explanation:

$(a^4 -1) = [ ( a^2)^2 - (1)^2]\\= (a^2+1)(a^2-1)\\=(a^2 +1)[(a)^2 - (1)^2]\\=(a^2 +1) ( a-1) (a+1)$

*a² - b² = (a+b)(a-b)