Question

What is the answer for
a^4-b^4
​

Answer 1

Answer:

(a-b)⁴

Step-by-step explanation:

formulae refer it

Answer 2

Step-by-step explanation:

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

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

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