Question

factorise:-

1) xy(a^2+1)+A(x^2+y^2)
2) 12(4a-1/4a)^2 +5(4a-1/4a)-2
3) p^3(q-r)^3 +Q^3(r-p)^3 +r^3(p-q)^3

Answer 1

I could only solve part 2. Here is ur answer