SOLUTION: simplify: 15-5i^2+3i^32

Question 550291: simplify: 15-5i^2+3i^32
Answer by TutorDelphia(193) (Show Source): You can put this solution on YOUR website!
so

i^32 is the same as and again i^2 is -1. So we just have -1^16 which is 1 since its a negative being taken to an even power.
So we have which would be 15+5+3 which is 23
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