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| Question 244510:  what does i^7 equal?
 Answer by richwmiller(17219)
      (Show Source): 
You can put this solution on YOUR website! What does i^7 equal? It means i raised to the 7 power.
 i is the sqrt of minus 1
 so i^2=-1
 so if you square -1 [ (-1)^2 }you get plus one
 minus times a minus is a plus
 that is i^4
 but i^2=-1
 we are at i^6 { i^4*i^2}
 so now we have -1 again
 but we multiply by i again (i^7) and we have -i
 
 
 
 
 
 
 
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