Question

find the value of the following if a=2 b=-2. a^- ab+ b^​

Answer 1

= a - ab + b

= 2-2×(-2)+(-2)=2×4-2

= 6-2

= 4

Answer 2

Step-by-step explanation:

a^=2*2=4

b^=-2*(-2)=4

ab=2*(-2)=-4

so,2^-(2*-2)+(-2)^,

4-(-4)+4,

8+4=12

is it correct??