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| 1. |
Two lines L1 and L2 have direction ratios (lamda,5,6) and (lamda-6,lamda,lamda-1).the number of real values of lamda for which these lines are in perpendicular direction of each other is |
| Answer» Two lines L1 and L2 have direction ratios (lamda,5,6) and (lamda-6,lamda,lamda-1).the number of real values of lamda for which these lines are in perpendicular direction of each other is | |