+0  
 
+1
144
2
avatar+1318 

Help me Please.

 

imaginary numbers: perform the following numbers

 

(√-1)15

ManuelBautista2019  Feb 27, 2018
 #1
avatar+92367 
+2

√-1   is defined as  i

 

And  i^2  =  -1

 

So....we have

 

(i)^15  =

 

(i^2)^7  * i  =

 

(-1)^7  * i  =

 

-1 * i  =

 

-i

 

 

cool cool cool

CPhill  Feb 27, 2018
 #2
avatar+1318 
+1

Thank You

ManuelBautista2019  Feb 27, 2018

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