Question

Determine the value of [f(a,b) + g(a,b)] at a=2 and b=-2

Answer 1

Answer:

4

Step-by-step explanation:

it is the right answer

Answer 2

Answer:

• its done directly,

            $a^{2} +b^{2} =(2)^{2}+(-2)^{2}$      [ putting a= 2, b=2]

                        $= 4+4$

                        $= 8$