Question

Simplify i^31

1
-1
-i
i

Answer 1

-i

Answer 2

how is i^30 -1?

Answer 3

no im doing gradpoint

Answer 4

oh becuase i times i is -1

Answer 5

so confusing :(

Answer 6

sowwy

Answer 7

ill try to explain

Answer 8

but whether the exponents are even or odd, does that affect it

Answer 9

like because 30 is even.. and because 31 is odd

Answer 10

you get it or not..

Answer 11

yes. if the exponent is a multiple of 4, like 4 and 8 and 12, then the i becomes just 1 since i is the sqrt of -1 so -1 times -1 is 1. if the exponent is even but not multiple of 4 then the i is negative 1

Answer 12

wtf

Answer 13

im gonna look up a video on youtube to teach me it hahaha thanks for your help

Answer 14

lol