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CBSE Class 11-science Answered

for what value of a the point (a,1),(1,-3)and(1,4) are colinear
Asked by drvsam595 | 21 Jul, 2022, 05:32: PM
Expert Answer
Let A(a, 1), B(1, -1) and C(11, 4)
As A, B and C are collinear, we have
Slope of AB = Slope of BC
-2/(1-a) = 5/10
-2/(1-a) = 1/2
-4 = 1 - a
Therefore, a = 5
Answered by Renu Varma | 21 Jul, 2022, 06:48: PM
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