a. Show that 2 x+1 2 x-1 = 15 can be written as 2(2 x )
Question:
a. Show that 2x+1 – 2x-1 = 15 can be written as 2(2x) – ½(2x) = 15.
b. Hence find the value of 2x.
c. Find the value of x.
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a To show that 2x1 2x1 15 can be written as 22x 2x 15 we can use the distributive ...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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