Logs and Exponentials

Exponentials:

Exponential functions and their associated rules are something that you are familiar with. 

By this, I mean that an exponent is essentially and indice, and thus can have the same rules applied to it.

Introduction to 'e':

The function of:               is a specific exponent which play a huge role it maths.

'e' is approximately 2.71828.

What is a log?:

Logarithms come in the form . We say this as "log of to base ". But what does mean?

Consider the following examples.

• means "What power of gives ?"

  The answer is because , in other words

• means "What power of gives ?"

  The answer is 4 because , in other words

Indices:

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