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Exponentials and Logarithms

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Question 6
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Given that y=log⁡2xy = \log_2 xy=log2​x, find expressions in terms of y y\,y for

a.

log⁡2x2\log_2 x^2log2​x2

[2]
b.

log⁡22x\log_2 2xlog2​2x

[2]
c.

log⁡8x\log_8 xlog8​x

[2]

Exponentials and Logarithms Questions

  1. A Level
  2. /Maths
  3. /Exponentials and Logarithms

Practise Edexcel A Level Maths Exponentials and Logarithms with exam-style questions for A Level Maths. 41 questions covering 14.1 Exponential Functions, 14.2 y = e^x, 14.3 Exponential Modelling, 14.4 Logarithms, 14.5 Laws of Logarithms, 14.6 Solving Equations using Logarithms, 14.7 Working with Natural Logarithms, and 14.8 Logarithms and Non-Linear Data, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank