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CBSE Class 11-science Answered

Asked by | 17 Jan, 2014, 08:51: PM
answered-by-expert Expert Answer
Let P(-2,4,7) and Q(3,-5,8) be two given points. Let R(x,y,z) be the point which divides PQ internally in the ratio k:1
 
Hence the coordinates of R are
Since the point lies in YZ plane, the x-coordinate of R is zero.
 
Thus,
Thus the ratio is 2:3
Answered by Vimala Ramamurthy | 17 Jan, 2014, 09:51: PM

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