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04-11-2019
Mathematics

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Write -3i+(3/4 + 2i) - (9/3 + 3i) as a complex number in standard form.

a. (9/4 + 9i)

b. (-9/4 -4i)

c. (9i + 9/4)

d.-6i

Respuesta :

Аноним Аноним

04-11-2019

Answer:

b. -9/4 - 4i.

Step-by-step explanation:

-3i+(3/4 + 2i) - (9/3 + 3i)

= -3i +3/4 + 2i - 9/3 - 3i

= 3/4 - 9/3 - 3i - 3i + 2i

= -9/4 - 4i.

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