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Needed a Document for logarithm? Related: Maths 35 Years JEE Mains &...
Logarithm:

Logarithm is a mathematical function that helps to calculate the exponent to which a given base must be raised to produce a given value. In other words, it is the inverse function of exponentiation. The logarithm is denoted by the symbol "log".

If we have a number 'a' and we want to find the logarithm of 'a' to the base 'b', then we write:

logb(a)

This means that we want to find the exponent 'x' to which 'b' must be raised to produce 'a'. In other words,

b^x = a

where x is the logarithm of 'a' to the base 'b'. For example, if we want to find the logarithm of 100 to the base 10, we write:

log10(100) = 2

This means that 10^2 = 100.

Properties of logarithms:

1. logb(1) = 0
2. logb(b) = 1
3. logb(xy) = logb(x) + logb(y)
4. logb(x/y) = logb(x) - logb(y)
5. logb(x^n) = n logb(x)

These properties are used to simplify logarithmic expressions and solve logarithmic equations.

Types of logarithms:

1. Natural logarithms: The base of natural logarithms is the number 'e', which is approximately equal to 2.718. The natural logarithm of a number 'x' is denoted by ln(x).

2. Common logarithms: The base of common logarithms is 10. The common logarithm of a number 'x' is denoted by log(x).

Applications of logarithms:

1. Logarithms are used to solve exponential equations.

2. Logarithms are used in the study of growth and decay of populations, radioactive decay, and other natural phenomena.

3. Logarithmic scales are used in measuring the intensity of earthquakes, sound, and light.

4. Logarithms are used in computer science and information theory.

In conclusion, logarithms are an important mathematical concept with applications in various fields of science and mathematics. Understanding logarithms and their properties is essential for solving complex mathematical problems.
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Needed a Document for logarithm? Related: Maths 35 Years JEE Mains & Advance Past year Papers Class 12?
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