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Question : 129 of 130
Marks:
+1,
-0
Solution:
‌=‌=‌Lines passes through the points
‌1=(3,2,1)‌ and ‌2=(−3,6,5),‌1=2+3−‌1=2+−3k,2−1=6−4j−4Shortest distance
=‌1×2=||=10−8−4 ‌(2−1)⋅(1×2)=60+32+16=108‌|1×2|=√100+64+16=√180‌S.D=‌=‌=‌
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