georgiacary
georgiacary
15-07-2017
Mathematics
contestada
please simplify 9/3-2i.
Respuesta :
rbspyro
rbspyro
15-07-2017
3-2i is as far as you can simplify
Answer Link
mebyerley
mebyerley
15-07-2017
i = sqrt -1
Multiply
by
3+
2i/
3+
2i
combine: 9
(
3+
2i
)/
(
3
−2
i
)
(
3+
2i
)
foil:
9
(
3+
2i
)/
3⋅3
+
3
(
2i
)
−2
i
⋅3
−2
i
(
2i
)
simplify:
9
(
3+
2i
)/
9
−4
i^2
9
(
3+
2i
)/
9+
4
9
(
3+
2i
)/
13
27+
18i/
13
Divide each term in the numerator by the denominator.
27/13
+
18i/
13 = answer
Answer Link
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