# Algebraic Formulas

## Radical properties; Logarithms; Changing the base of a logarithm

Other algebra formulas for calculus:

and, moreover, we have:

### The Radical Properties:

### Logarithms

### Changing the base of a logarithm

**Combinatorics**

### Permutations

**Permutation** is the number of all subsets of set.

### Arrangements

*Represents the number of all subsets of k elements of an ordered set of n items.*

### Combinations

*Represents the number of all subsets (unordered) k elements of a set of n items.*

**Keywords: **
radicals, logarithms, algebra, mathematical formulas, changing base

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