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2024 IGCSE Additional Mathematics October/November 0606/13 Q4
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2024 IGCSE Additional Mathematics October/November 0606/13 Q4
7 marks
Write \(3+4\log_2a-\log_2b\) as a single base 2 logarithm.
[3]
Solve the equation \(\lg x=4\log_x10\).
[4]
Solution:
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(a) \(\log_2\dfrac{8a^4}b\). (b) \(100,\dfrac1{100}\).
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