Question

do it fast with explaination

Answer 1

For given function to be continuous at x=2 
f(2)=x²-(A+2)x+A=2
So, 4-2A-4+A=2
       A=-2

Answer 2

For given function to be continuous at x=2 

f(2)=x²-(A+2)x+A=2

So, 4-2A-4+A=2

       A=-2