Question

expand using formula :- (2 mn+3 n)^3​

Answer 1

Answer:

So, the anwer is 8mn+27n because (2mn+3n)^3 = (2mn+3n) x (2mn+3n) x (2mn+3n)

2mn x 2mn x 2mn = 8m

3n x 3n x 3n = 27n

So 8mn+27n