Question

write (4/3i) + (2/5i) in a + bi form.

Answer 1

@dan815 @jim_thompson5910 @Nnesha help plz

Answer 2

first find common deniomantor

Answer 3

it's \(\Large \frac{4}{3i} + \frac{2}{5i}\) right?

Answer 4

denominator***(i nvr gonna spell this word correctly) :/

Answer 5

yass @jim_thompson5910 and ok @Nnesha

Answer 6

so 15i?

Answer 7

yes right now what should go at the top ?

Answer 8

26?

Answer 9

hmmm

Answer 10

never mind, i got the answer its -16/15

Answer 11

-26/15i

Answer 12

a+bi form what does that mean ??
don't we have to multiply top and bottom by conjugate right ? @jim_thompson5910 ;(

Answer 13

srry 4 too late reply nat issues>,<

Answer 14

for ex. 2+3i, yass you have to multiply by the conjugate. n its ok cx

Answer 15

if we have 15i then we still have to multiply by conjugate

Answer 16

15i at the den.

Answer 17

yass because you cant have an i on the denominator , so the conjugate would be -15i.

Answer 18

yes -15i

Answer 19

thnx for the help cx

Answer 20

i didn't help chu :(

Answer 21

you kinda did, cuz i didn't see that the i was at the bottom

Answer 22

hmm oky ;)

Answer 23

i would of have had (16/25)i