Question

factorise : a^4 - 10 a square b square + 25 b^4​

Answer 1

Answer:

(a^2 - 5b^2)

Step-by-step explanation:

Using identity (a-b)^2=a^2+b^2-(2ab)

(a^2)^2+(5b^2)^2-(2×a^2×5b^2)

a^4+25b^4-10a^2b^2

Or (a^2 - 5b^2)