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Mathematics 9 Online
OpenStudy (anonymous):

Perform the indicated operation. Write the result in the form a + bi. i13

jimthompson5910 (jim_thompson5910):

Is this \[\Large i^{13}\] ???

OpenStudy (anonymous):

yes

jimthompson5910 (jim_thompson5910):

\[\Large i^{13}\] \[\Large i^{12+1}\] \[\Large i^{12}*i^{1}\] \[\Large (i^{4})^3*i^1\] \[\Large (1)^3*i\] \[\Large (1)i\] \[\Large i\] So \[\Large i^{13}=i\]

OpenStudy (anonymous):

what about when it says write it in a+bi form?

jimthompson5910 (jim_thompson5910):

It's in that form because i = 0 + 1i Note: a = 0 and b = 1

OpenStudy (anonymous):

ok, thanks so much!

jimthompson5910 (jim_thompson5910):

np

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