khatty777 khatty777

14-01-2018
Mathematics

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PQ=(3 -9) PR=(h -6)

Given that R lies on PQ. Find the value of h.

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mathmate mathmate

14-01-2018

Since vectors PQ and PR are collinear, they have the same slope.
=>
-9/3 = -6/h
Cross-multiply:
h=-6*3/-9 = 2
Ans. h=2

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