Question

factorise : a^4-( b + c )^4

Answer 1

hey there,

a^4-(b+c)^4
we can write it as
(a^2)^2-(b+c^2)^2
by using identity
a^2-b^2=(a+b)(a-b)
={a^2+(a+b^2}{a^2-(a+b^2)

Hope this helps!