May I know how to verify the expansion of [a+b+c]2?

Asked by prakritiprakash12 | 14th Jun, 2015, 10:34: AM

Expert Answer:

left parenthesis a plus b plus c right parenthesis squared equals left parenthesis top enclose a plus b end enclose plus c right parenthesis squared space space left square bracket E x p a n d i n g space w i t h space left parenthesis a plus b right parenthesis squared equals a squared plus 2 a b plus b squared right square bracket equals left parenthesis a plus b right parenthesis squared plus 2 left parenthesis a plus b right parenthesis c plus c squared equals a squared plus 2 a b plus b squared plus 2 a c plus 2 b c plus c squared space left square bracket E x p a n d i n g space w i t h space left parenthesis a plus b right parenthesis squared equals a squared plus 2 a b plus b squared right square bracket equals a squared plus b squared plus c squared plus 2 a b plus 2 b c plus 2 a c

Answered by Prasenjit Paul | 15th Jun, 2015, 10:28: AM