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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


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