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If 3x+b1y+5=0 and 4x+b2y+10=0 cut the x-axis and y-axis in four concyclic points , then the value of b1b2 i |
| Answer» If 3x+b1y+5=0 and 4x+b2y+10=0 cut the x-axis and y-axis in four concyclic points , then the value of b1b2 i | |