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1.8.4 Laws of logarithms

In log⁡ax=b\log_a x=bloga​x=b, what does bbb represent?

A

ln⁡\lnln is conventionally used, although any valid logarithm base gives the same solution.

B

Isolate the exponential term before taking logarithms, because logarithms do not split across addition.

C

The statement log⁡ax=b\log_a x=bloga​x=b means exactly the same as ab=xa^{\boxed{b}}=xab​=x.

D

Exponent

1.8.4 Laws of logarithms Flashcards

  1. A Level
  2. /Maths
  3. /1.8.4 Laws of logarithms

Flashcards for OCR (MEI) A Level Maths 1.8.4 Laws of logarithms, covering the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03. 26 cards, matched to the OCR (MEI) A Level Maths (H640) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.