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Are there imaginary numbers?

 Apr 27, 2015

Best Answer 

 #1
avatar+23254 
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Square roots of negative numbers are called imaginary numbers.

Therefore, √-18, √-3, -√-7 are all imaginary numbers.

The letter "i" is used to represent √-1   ---

so  √-7 =  √-1√7  =  i√7.

 Apr 27, 2015
 #1
avatar+23254 
+5
Best Answer

Square roots of negative numbers are called imaginary numbers.

Therefore, √-18, √-3, -√-7 are all imaginary numbers.

The letter "i" is used to represent √-1   ---

so  √-7 =  √-1√7  =  i√7.

geno3141 Apr 27, 2015

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