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what's sqrt(-1)^40 equal

 Jul 26, 2015

Best Answer 

 #1
avatar+33603 
+5

i^2 = -1

i^4 = 1

i^40 = (i^4)^10 = 1^10 = 1

 

(i = sqrt(-1))

.

 Jul 26, 2015
 #1
avatar+33603 
+5
Best Answer

i^2 = -1

i^4 = 1

i^40 = (i^4)^10 = 1^10 = 1

 

(i = sqrt(-1))

.

Alan Jul 26, 2015

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