Question

Factorise 16a⁴- b⁴
plz show full method​

Answer 1

Step-by-step explanation:

16a^4 -b^4

(4a^2)^2 - (b^2)^2

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

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

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