Question

If a=2, b=-2, find the value of a²+ab+b² and 2a2+b2+1

Answer 1

Answer:

a=2 and b=2

then, 2a2+b2+1

=2×2×2+2×2+1

=4×2+2×2+1

=8+2×2+1

=8+4+1

=13

Hope it will help you..