let A and B be 2 sets where, A={(a,b): a^2+3b^2 =28 ,a,b belongs to Z } and B ={(a,b):a>b,a,b belongs to Z}, then n (A intersection B)is equal to

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let A and B be 2 sets where, A={(a,b): a^2+3b^2 =28 ,a,b belongs to Z } and B ={(a,b):a>b,a,b belongs to Z}, then n (A intersection B)is equal to​

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let A and B be 2 sets where, A={(a,b): a^2+3b^2 =28 ,a,b belongs to Z } and B ={(a,b):a>b,a,b belongs to Z}, then n (A intersec