Question

question

Answer 1

\[\frac{ (3+i)(4+2i) }{ (3-3i) }\]

Answer 2

I don't know how to do imaginary numbers with fractions...

Answer 3

k

Answer 4

Did you get the message with the problem? Sometimes the messages don't post or have a delay or lag.

Answer 5

Ah! foil! I forgot.

Answer 6

sec

Answer 7

yeah distribute out the numerator

Answer 8

remember i^2=-1

Answer 9

\[\frac{ (3+i)(4+2i) }{ (3-3i) } = \frac{ 12+10i+2i^2 }{ 3-3i }\]

Answer 10

and then:
\[\frac{ 10+10i }{ 3-3i }\]

Answer 11

yeah, then factor out 10 and 3

Answer 12

how do I do that exactly?

Answer 13

\[\frac{ 10 }{ 3 }*\frac{ 1+i }{ 1-i }\]

Answer 14

now multiply by the conjugate (1+i)/(1+i)

Answer 15

oh
\[\frac{ 10i }{ 3 }\]

Answer 16

yep

Answer 17

you are an angel sent from heaven to help me with my final! haha! You are wonderful!! :D

Answer 18

oh, i thought you took that... good luck!

Answer 19

they pushed it to Thursday. haha

Answer 20

oh nice, you will do fine