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what is the square root of -40/ the square root of 4 (or obviously two) simplifyed

Guest Jan 29, 2015

Best Answer 

 #1
avatar+93297 
+5

$$\\\frac{\sqrt{-40}}{\sqrt{4}}\\\\
=\sqrt{-10}\\\\
=\sqrt{10*-1}\\\\
=\sqrt{10}*\sqrt{-1}\\\\
=\sqrt{10}\;i\\\\$$

 

This is not a real number.

There are no real solutions since no number multiplied by itself = a neg number

This is an 'imaginary number'    

Melody  Jan 29, 2015
 #1
avatar+93297 
+5
Best Answer

$$\\\frac{\sqrt{-40}}{\sqrt{4}}\\\\
=\sqrt{-10}\\\\
=\sqrt{10*-1}\\\\
=\sqrt{10}*\sqrt{-1}\\\\
=\sqrt{10}\;i\\\\$$

 

This is not a real number.

There are no real solutions since no number multiplied by itself = a neg number

This is an 'imaginary number'    

Melody  Jan 29, 2015

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