Using the result obtained in Problem 57, show that three distinct points (x 1 , y 1

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Using the result obtained in Problem 57, show that three distinct points (x1, y1), (x2 , y2) and (x3, y3) are collinear (lie on the same line) if and only if 

Х1 У1 1 Х2 У2 1 3 0 |Хз Уз 1

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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