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velikii [3]
3 years ago
8

Select the correct answer.

Mathematics
1 answer:
alexira [117]3 years ago
3 0

Answer:

\huge\boxed{A.\ -\dfrac{9}{4}+2i}

Step-by-step explanation:

The standard form of a complex number:

z=a+bi\\\\a,\ b\in\mathbb{R}

3i+\left(\dfrac{3}{4}+2i\right)-(3+3i)=3i+\dfrac{3}{4}+2i-3-3i\\\\=\left(\dfrac{3}{4}-3\right)+(3+2-3)i=-2\dfrac{1}{4}+2i=-\dfrac{9}{4}+2i

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