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Question : 32 of 120
Marks:
+1,
-0
Solution:
Given lines,
‌=‌=‌ and
‌‌‌=‌=‌ Let
‌‌l1=1,m1=1,n1=0 and
l2=k,m2=2,n2=1 Condition of coplanarity, ie, intersecting lines
||=0 −2+2−k=0 ⇒‌‌k=0
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