Relative to an origin O, the position vectors of A, B and C are -2i + 7j,
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Relative to an origin O, the position vectors of A, B and C are -2i + 7j, 2i – j and 6i + λj respectively.
a. Find the value of λ when AC = 17.
b. Find the value of λ when is a straight line.
c. Find the value of λ when ABC is a right-angle.
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To solve this problem we can use the properties of position vectors a The position vector of point C is given as 6i j The position vector of point A i...View the full answer
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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