Question
If a and b are two non-parallel vectors and the position vectors of P, Q and R are a + 2b, 1/2a + 3/4b, and
If a and b are two non-parallel vectors and the position vectors of P, Q and R are a + 2b, 1/2a + 3/4b, and λa + b, find the value of λ if P, Q, and R lie on a straight line.
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If P Q and R lie on a straight line then they have ...
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Linear Algebra A Modern Introduction
Authors: David Poole
4th edition
1285463242, 978-1285982830, 1285982835, 978-1285463247
