Question

find the value of 'a' for which the given points are collinear.
(a,2-2a),(-a+1,2a) and (-4-a,6-2a)

Answer 1

Answer:

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Step-by-step explanation:

Three given points are : A(a, 2–2a), B(1-a, 2a) & C(-4-a, 6–2a) . From these three points determine the two vectors AB & AC .Now, the three