Question

simplify j^12

Answer 1

Does j here represent \(\sqrt{-1}\)?

Answer 2

is there anymore to this quesion

Answer 3

no

Answer 4

if it does, then think about the value of \(j^n\) when n is even and when n is odd.

Answer 5

if it doesn't then what do you mean by simplify here?

Answer 6

i saw the solution in a txtbk that
=(j^4)^3 =1^3 =1

Answer 7

this implies \(j=\sqrt{-1}\)

Answer 8

how

Answer 9

IN OTHER WORD j IS A complex number asnaseer is correct

Answer 10

are you studying complex numbers?

Answer 11

yes

Answer 12

i''l do them next semester for now i just know some basics

Answer 13

so j here represents an imaginary number. some people use i as the default symbol for imaginary numbers.

Answer 14

k

Answer 15

eg.:\[\sqrt{-4}=\sqrt{4}*\sqrt{-1}=2*\sqrt{-1}=2j\]it is a way or representing the imaginary number \(\sqrt{-1}\)

Answer 16

*it is a way of representing...

Answer 17

so j is used as a placeholder for \(\sqrt{-1}\)

Answer 18

an i use x as a placeholder i mean any alphabet

Answer 19

k tnx

Answer 20

yw