Question

Rationalize the denominator of sqrt(-9)/(4-7i)-(6-6i)

Answer 1

does anyone know how to do this?

Answer 2

???

Answer 3

whats (4-7i) - (6-6i) ? if you can tell me?

Answer 4

-2+10i-13i-1i^2

Answer 5

?? how did you get that ??
well its (4-6) +( -7i + 6i)
was that clear?

Answer 6

what now?

Answer 7

well then you are left with this
3i/(-2 - i)
multiply divide by (2+i) and you should get your answer..

Answer 8

? i dont get it

Answer 9

?

Answer 10

hmmn..
well i'll tell you the ans this time,,but you should practice yourself
(6i -3)/5

Answer 11

would it be -6i not 6i

Answer 12

?

Answer 13

it'd be 6i ..why you say -6i ?

Answer 14

bc the choices say that it must be -6i

Answer 15

there is only a -3-6i/5

Answer 16

ohh am sorry,,you multiplay it by -2 +i and now 2+i..
yes ,then the ans is what you want ..

Answer 17

lol its okay i was just a little confused