Question

3.
Find the ratio in which (7/3, -1) divides the line joining the points (1,5) and (3,-4).
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Answer 1

Answer:

x = (m1x2 + m2x1)/m1+m2

7/3 = (m1*3 + m2*1)/m1+ m2

7/3 = 3m1 + m2/ m1 + m2

7(m1 + m2) = 9m1 + 3m2

7m1 + 7m2 = 9m1 +3m2

7m2- 3m2 = 9m1 - 7m1

4m2 = 2m1

m1/ m2 = 4/2

m1/m2 = 2/1

m1: m2 = 2:1

Answer 2

Answer:

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