∴(a-b)? =5
(2)∫S big square =(b-a)? +2ab=5+2ab= 17
∴ab=( 17-5 )÷2=6
∴(a-b)? =a? +b? +2ab=c? +2ab= 17+2x6=29
∴(a+b)? =29
A: (A-B)? Is it 5, (a+b)? =29