## The Reciprocal

Assume d is an integer and d ≠ 0. Climate the * reciprocal* the d is

The reciprocal of a nonzero portion

is .You are watching: The reciprocal of a negative number is

Any number multiplied by its mutual is 1.

### Examples

The mutual of

is or simply .The mutual of

is .The mutual of

is .More examples

### Exercise

Practice recognize the reciprocals.

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The reciprocal of is

## Reciprocals of real numbers

All real numbers except 0 have reciprocals. The reciprocal of a negative number have to itself be a an unfavorable number so the the number and also its reciprocal multiply to 1.

### Example

The reciprocal of

is . Checking by multiplyNow try finding the mutual of part signed numbers:

The mutual of is

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