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If A = {x2+y2 =16} and B ={9x2+25y2=225} . Then n (A U B)= (1) 0 (2) 2 (3) 4 (4) INFINITE

Answer» If A = {x2+y2 =16} and B ={9x2+25y2=225} . Then n (A U B)= (1) 0 (2) 2 (3) 4 (4) INFINITE


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