Q3 of 49 Page 177

Find the ratio in which the line segment joining the points (-3, 10) and (6, -8) is divided by (-1, 6).

Let P and Q be line

∴ A divides PQ internally in ratio a:b





⇒ Given that A(-1,6)


6a-3b = -a-b , 10b-8a = 6a + 6b


7a = 2b, 14a = 4b


∴ a:b = 2:7


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