Three Dimensional Geometry Question 180
Question: The co-ordinates of the point where the line through $ P(3,,4,,1) $ and $ Q(5,1,6) $ crosses the xy-plane are
[MP PET 1997]
Options:
A) $ \frac{3}{5},\frac{13}{5},\frac{23}{5} $
B) $ \frac{13}{5},\frac{23}{5},\frac{3}{5} $
C) $ \frac{13}{5},\frac{23}{5},0 $
D) $ \frac{13}{5},0,,0 $
Show Answer
Answer:
Correct Answer: C
Solution:
Trick: From option c, the point lies on xy-plane and divides the join of P and Q in ? 1 : 6 i.e., 1 : 6 externally.
BETA
