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CBSE Class 10 Answered

Find the ratio in which the line segment joining the points P(3,-6) and Q(5,3) is divided by the x-axis.
Asked by Manisha Vadagave | 14 Dec, 2012, 08:19: PM
answered-by-expert Expert Answer
Let the ratio be k:1.
The coordinates of the point that divides PQ in the ratio k:1 are
(5k+3/ k+1,  3k-6/ k+1)
This point lies on x-axis its ordinate is zero.
Hence,
3k-6/ k+1 = 0
k = 2
Thus, the required ratio is 2:1.
Answered by | 16 Dec, 2012, 04:00: PM

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