Question

if A=2 and B=2 find the value of a^2+ab+b^2​

Answer 1

Answer:

$given \\ a = 2 \\ b = 2 \\ value = (a + b) {}^{2} = 16 \\ identity \\ (a + b) {}^{2} = a {}^{2} + b {}^{2} + 2ab$

Answer 2

ANSWER

a

2

+b

2

=(2)

2

+(−2)

2

[Putting a=2,b=−2]

=4+4=8.

4+4=8