a. Express 9x 2 15x in the form (3x a) 2 b. b. Find
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a. Express 9x2 − 15x in the form (3x − a)2 − b.
b. Find the set of values of x that satisfy the inequality 9x2 − 15x < 6.
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a We want to express 9x2 15x in the form 3x a2 b Expanding 3x a2 b we get 3x a2 b ...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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