Question

What is the expanded form of ( a - b) cubed?

A a cubed minus a squared b plus a b squared minus b cubed





B a cubed plus a squared b plus a b squared plus b cubed





C a cubed plus 3 a squared b plus 3 a b squared plus b cubed





D a cubed minus 3 a squared b plus 3 a b squared minus b cubed

Answer 1

(a-b)³=a³-3a²b+3ab²-b³

which is option D