Let X be a set with exactly 5 elements and Y be a set with exactly 7 elements. If α is the number of one one functions from X to Y and
Let z be the set of all integers and A = (a,b):a^2+3b^2 = 28,a,b belongs to z B = (a,b):a>b,a,b belongs to z, then n(A intersection B)is equal to
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