Question

1. Evaluate the following algebraic expression for the given values of a and b.
a2 + ab + b2, if a=-4 and b=-2

Please slove these with solution ​

Answer 1

Answer:

$a = - 4 \\ b = 2 \\ then \: the \: value \: \: of \: a{2} + ab + b {2} \\ = ( - 4) ^{2} + ( - 4) \times2 + (2) ^{2} = 16 + ( - 8) + 4 \\ = 16 - 8 + 4 \\ 8 + 4 \\ = 12$