+0  
 
+5
241
2
avatar

 

 

 

Can someone help me find the solutions and the magnitude?

Guest Feb 23, 2017
 #1
avatar+7155 
+6

Well for the problem

x2 + 1 = 0

 

subtract 1 from both sides

x= -1

 

square root both sides

x = ±√(-1)

 

so x = ±i

or x = 0 + 1i    or     x = 0 - 1i

 

As for the magnitude, I don't really know but I googled it and found some place that said when a complex number is written like this: " a + bi ", the magnitude is √(a+ b2).

So if that's right then the magnitude for this would be √(02 + 12) = 1

hectictar  Feb 23, 2017
 #2
avatar+2 
0

I did this freshman year lol

SuperDiva14  Feb 23, 2017

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