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2. a-b =2
a^2 - b^2= 32
a=2+b
(2+b)^2 - b^2 =32
4+4b+b^2-b^2=32
4+4b=32
4b=28
b=7
a-b=2 = a-7=2, a=9
a*b=9*7=63