Solve. a. (log 2 x) 2 - 8 log 2 x + 15 = 0 b. (log
Question:
Solve.
a. (log2 x)2 - 8 log2 x + 15 = 0
b. (log10 x)2 - log10 (x2) = 3
c. (log5 x)2 + log5 (x3) = 10
d. 4(log2 x)2 - 2 log2 (x2) = 3
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Step by Step Answer:
a Let u log2 x Then the equation becomes u2 8u 15 0 Factoring we get u 3u 5 0 Therefore u 3 or u 5 S...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook
ISBN: 9781108407199
1st Edition
Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey
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