Three Dimensional Geometry Question 80
Question: If $ A,(1,,2,-1) $ and $ B(-1,0,1) $ are given, then the co-ordinates of P which divides $ AB $ externally in the ratio $ 1:2 $ , are
[MP PET 1989]
Options:
A) $ \frac{1}{3}(1,,4,-1) $
B) (3, 4, ?3)
C) $ \frac{1}{3}(3,,4,-3) $
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ [ \frac{2+1}{1},\frac{4-0}{1},,\frac{-2-1}{1} ]=(3,4,-3) $ .
BETA
