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## Answers

For example: can be written as ( )( )

Here is denoted by "i"

Ex: root of -2=root of 2 x root of -1.

Here root of -1 is denoted by "i".

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For example: can be written as ( )( )

Here is denoted by "i"

Ex: root of -2=root of 2 x root of -1.

Here root of -1 is denoted by "i".