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NIMCET 2011 Question Paper with solutions

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Question : 17

Total: 120

The number of distinct solutions (x,y) of the system of equations x2=y2 and (x−a)2+y2=1, where a′ is any real number, can only be

0,1,2,3,4 or 5
0,1 or 3
0,1,2 or 4
0,2,3 or 4

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