Question

(-i)^73 (HELP)

Answer 1

i is cyclic, so it repeats. Find the pattern and then you don't have to work with a very large exponent such as 73.

Answer 2

i still dont understand can you show me

Answer 3

ok - firstly, do you know what the 'i' represents?

Answer 4

@jmays14 ?

Answer 5

no i dont

Answer 6

so where did you get this question from? have you studied complex numbers?

Answer 7

im trying to study for a test but i just it was just a variable

Answer 8

if it is just a variable then you only need to consider the minus sign.

Answer 9

i dont think it is thou

Answer 10

what do you mean?

Answer 11

if you haven't studied complex numbers, then I assume you are not aware of:\[\sqrt{-1}\]

Answer 12

i think it is complex numbers i have a variety if answers

Answer 13

(A) –i
(B) i
(C) 1
(D) -1
(E) i+1

Answer 14

you need to first understand what you are studying - how much do you know about complex numbers?

Answer 15

A complex number is a number that can be put in the form a + bi, where a and b are real numbers and i is called the imaginary unit

Answer 16

i kno wat a comp;ex numb is

Answer 17

ok, so then you DO know that:\[i=\sqrt{-1}\]

Answer 18

yes