Logarithms | ICSE Class 9 Maths | Online Classes | Session 2 - Swiflearn

This is Session 2 of the Chapter: Logarithms from ICSE Class 9 Maths. In this session of Logarithms from ICSE Class 9 Maths, Harneet Ma'am will take you through the following important topics from the Chapter: Logarithms from ICSE Class 9 Maths

0:00 - Introduction
8:45 - Explain product of law and Logarithm
11:26 - Explain quotient of law and Logarithm
14:49 - Explain power of law and Logarithm
17:20 - Expand the given expression by using law of Logarithm

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The logarithm of a positive real number b with respect to a positive base number a is the power n of a to which a must be raised to obtain.

Note:

Log b base a is meaningful only when a 0, b 0, and a ≠ 1.
Logarithm of a number with a negative base is meaningless.
Logarithm of a negative number with a negative base is meaningless.
Logarithm of a number b with base 1 is not defined, this is because 1 to the power of any number is 1, and 1 is not equal to b.

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