Question

Expand ( 1 /2 a − 1 /3 b + c ) 2 using suitable identity.

Answer 1

Answer:

Using identity - (a+b+c)^2= a ^2 + b^2 +c^2 +2ab +2bc + ... +{2 (-1/3b)(c) }+ {2 (c) (1/2a)}= a - 2/3b + c^2… ... good morning have a great day ...