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everything's eventual
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If two out of four expressions x+y , x+5y, x-y, 5x - y, are chosen at rando, what is the possibility that their product will be of the form x^2 - (by)^2 where 'b' is an integer?
a) 1/2
b) 1/3
c) 1/4
d) 1/5
e) 1/6
OA : E
a) 1/2
b) 1/3
c) 1/4
d) 1/5
e) 1/6
OA : E
