Let Z denote the set of all integers and A= (a,b):a^2+3b^2=28, a,b Z and B= (a,b):a>b, a,b Z . Then, the number of elements in A B is

JEE Main Mathematics question

Let denote the set of all integers and and . Then, the number of elements in is

Answer: (D)

: ; ;

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Question ID VK-003101