a Show that lg(x 2 y) 18 can be written as 2 lg x lg y 18 b lg(x 2 y) 18 and lg (x y 3 ) 2 Find the value of lg x and lg y ...

a log2 x 5 log4 x 14 log2 x 14 5 log4 x x 214 45 log4 x x 214 45 29 512 b ...

a. Show that lg(x 2 y) = 18 can be written as 2 lg x + lg

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a. Show that lg(x² y) = 18 can be written as 2 lg x + lg y = 18.

b. lg(x² y) = 18 and lg (x/y³) = 2.

Find the value of lg x and lg y.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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a. Show that lg(x 2 y) = 18 can be written as 2 lg x + lg

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

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