Question

If a is equal to minus 2 and b is equal to 1 find the value of a square +ab-2

Answer 1

Answer:

0.

Step-by-step explanation:

Given-

a= -2

b= 1

To find-

a²+ab-2

(Putting the values of a as -2 and b as 1, we get:)

(-2)²+ (-2*1)-2

= 4+(-2)-2

+4-2-2

=4-4

=0  ------------------------------($Answer$)

Answer 2

0

Step-by-step explanation:

a=-2,b=1

a^2+ab-2

(-2)^2+(-2)×1-2

4-2-2

4-4

0