Question

a power 4 -81b power 4​

Answer 1

Answer:

Step-by-step explanation:

a^4-81b^4

(a^2)^2-(3b)^2^2

=(a^2+(3b)^2)(a^2-(3b)^2)

=(a^2+(3b)^2)(a+3b)(a-3b)

Answer 2

Answer:

here is your answer

Step-by-step explanation

(a^2)^2 - (9b^2)^2

(a^2- 9 b^2) (a^2 + 9b^2)

(a- 3b)(a+3b)(a^2+9b^2) Ans.