MCQOPTIONS
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| 1. |
If the pair of lines \[a{{x}^{2}}+2(a+b)xy+b{{y}^{2}}=0\] lie along diameters of a circle and divide the circle into four sectors such that the area of one of the sectors is thrice the area of another sector then |
| A. | \[3{{a}^{2}}-10ab+3{{b}^{2}}=0\] |
| B. | \[3{{a}^{2}}-2ab+3{{b}^{2}}=0\] |
| C. | \[3{{a}^{2}}+10ab+3{{b}^{2}}=0\] |
| D. | \[3{{a}^{2}}+2ab+3{{b}^{2}}=0\] |
| Answer» E. | |