What is the answer of this formula
( a+b )^3

Asked by gayatrivardani2002 | 5th Jun, 2016, 03:36: PM

Expert Answer:

C o n s i d e r space t h e space e x p r e s s i o n comma
open parentheses a plus b close parentheses cubed equals open parentheses a plus b close parentheses open parentheses a plus b close parentheses open parentheses a plus b close parentheses
space space space space space space space space space space space space equals open parentheses a plus b close parentheses squared open parentheses a plus b close parentheses
space space space space space space space space space space space space equals open parentheses a squared plus 2 a b plus b squared close parentheses open parentheses a plus b close parentheses
space space space space space space space space space space space space equals a cubed plus a squared b plus 2 a squared b plus 2 a b squared plus a b squared plus b cubed
space space space space space space space space space space space space equals a cubed plus 3 a squared b plus 3 a b squared plus b cubed
space space space space space space space space space space space space equals a cubed plus 3 a b open parentheses a plus b close parentheses plus b cubed

Answered by Vimala | 6th Jun, 2016, 09:55: AM