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Mathematics 15 Online
OpenStudy (anonymous):

the line joining the points A (1,-1), B (t,2) and C (t square, t+3) are collinear. Find the possible values of t.

OpenStudy (midhun.madhu1987):

3 points A, B and C are said to be collinear if they all lie in the same line

OpenStudy (midhun.madhu1987):

|dw:1410636038838:dw| Since they are collinear, we can write AB + BC = AC

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