Example6: Show that the straight lines whosc direction costnes are giv – InterviewSolution

1.	Example6: Show that the straight lines whosc direction costnes are given by the cquationsare perpandicular,(u+ ) 0 and paralled, fT W+-+--0.(Meerut 2001, 12; Kanpur 09, 11, 14,Kumaun 12, 14)
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