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Question : 95 of 120
Marks:
+1,
-0
Solution:
Given lines are
‌=‌=‌....(i)
and
‌‌‌=‌=‌ or
‌‌‌=‌=‌.... (ii)
DR's of lines Eqs. (i) and (ii) are
(a1,b1,c1)=(1,−5,3) and
(a2,b2,c2)=(7,2,1) =‌| 7−10+3 |
| √1+25+9√49+4+1 |
=0 ⇒θ=‌
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