Questions
If the z-coordinate of a point on the line joining the points and is , Then x-coordinate of the point is
a
2
b
-2
c
3
d
4
detailed solution
Correct option is D
Suppose that a point Pdivides the line segment joining the points B3,−2,2and C6,−17,−4 in the ratio m:nSince the z coordinate is given zero, it implies that2m−4nm+n=0It gives 2m−4n=02m=4nmn=21The x-coordinate of the point Pis 23+162+1=123=4Talk to our academic expert!
Similar Questions
If R divides the line segment joining P(2,3,4) and Q (4,5,6) in the ratio -3:2 ,then the value of the parameter which represents R is
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