Question

find the value if a=1 and b= -2

a²+b²+3ab​

Answer 1

Answer:

a²+b²+3ab

= -1

Hope it will help you.

Answer 2

Answer:

it's easy

Step-by-step explanation:

(1)^2+(-2)^2+3(1)(-2)

1+4+(-6)

5-6

-1 is the answer