Solve, giving your answer correct to 3 sf. z a. 3 2x 6 3 x

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Solve, giving your answer correct to 3 sf. z

a. 3^2x – 6 × 3^x + 5 = 0

b. 4^2x – 6 × 4^x – 7 = 0

c. 2^2x – 2^x – 20 = 0

d. 5^2x – 2(5^x) – 3 = 0

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 25, 2021 01:41 AM

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Solve, giving your answer correct to 3 sf. z a. 3 2x 6 3 x

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a x 53263 514 0357 b x 74264 714 0...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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