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Logarithm Formulas

Logarithm formulas are useful for answering problems in placement exams. After learning the Logarithm formula, students can use quick memorisation techniques to remember them.

Concepts
Formulas
Practice Questions

Basic Formulas of Logarithm

The following are the formulas relevant to Logarithm questions:

S.No To Calculate Formulas

1

If logab = x

Then, ax=b

2

loga 1

0

3

loga a

1

4

logaX·Y

logaX+logaY

5

logaX/Y

logaX−logaY

6

loga1/X

−logaX

7

logaXp

PlogaX

8

Change of base formula

logaX=logbXlogba

9

logaX

1logx a

Quick Tip: Do you know? You can learn Logarithm formulas quickly if you first understand the fundamental concepts of Logarithm.

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FAQsFAQs

How do you benefit from learning Logarithm formulas?

One of the significant benefits of understanding Logarithm formulas is the capability to quickly and accurately address simple formula-based questions.

How to remember Logarithm formulas for a longer time?

Following are the techniques you can use to memorise Logarithm formulas:

  • For a start, you can start understanding the concepts of the Logarithm. It will help you find out why a formula is used.

  • Keep a separate piece of paper and write down each formula on the Logarithm topic you need to memorise.

  • Write down and examine each Logarithm formula, but this time with intervals. Write the equation, then take a 2-minute break to think about it before writing it again.

  • Your memory is more likely to associate with the formula you want to remember if you use it more often. Solve the problems employing the formula.

  • Visualise and repeat out loud the formula occasionally. Create Logarithm formulas flashcards to help with this. You can also use these flashcards while practicing the Logarithm questions.

  • The formula should be written down and posted somewhere you will see daily. They'll be subconsciously imprinted into your memory.

How conceptual understanding of Logarithm topic helps in remembering its formulas?

Conceptual understanding will help you to make sense of the Logarithm formulas. Conceptual understanding is concentrated on describing why things happen as opposed to how to make them happen. They help you understand the true motive for employing the Logarithm formulas.

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