Question

Simplify:

√28/4i√7

Answer 1

sqrt28 =sqrt(7*4) =2sqrt7

this will help you

Answer 2

ok ?

Answer 3

that has nothing to do with what i asked lol you cant forget the i

Answer 4

i know what √28 is

Answer 5

ok

so first step simplifie by 2sqrt7 and will get

2sqrt7 1
------ = ------
4isqrt7 2i

so tha multiplie numerator and denominator by 2i and will get

1 2i 2i 2i
-- * ---- = ------ = -----
2i 2i 4*(-1) -4

so and now simplifie by -2 and will get

2i - i
--- = ----
-4 2

Answer 6

ok ?

Answer 7

how you are wrighting that is confusing me

Answer 8

so ok

how and what you have learned from complex numbers ?

Answer 9

ummm right now im working with irrational and imaginary numbers...

Answer 10

so you know that when there is a fraction with denominator with i so than we need cancel out the term with i by mulriplie the denimnator and numerator by conjugat of denominator but in this case not is necessary because the denominator is just simple the term of i and not is in the form of a +bi

ok ?