1.

In what ratio does the X-axis divide the line segment joining the points (2, -3) and (5, 6) ?

Answer»

Let the required ratio be k : 1. Then the coordinates of the point of division are (5λ+2/k+1,6λ-3/k+1). 

But, it is a point on X-axis on which y-coordinate of every point is zero.

So, 6λ-3/k+1=0

=> k=1/2

Thus, the required ratio is 1/2: 1 or 1 : 2.



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