Evaluate
-\frac{\sqrt{3}}{2}-\frac{3}{2}i\approx -0.866025404-1.5i
Real Part
-\frac{\sqrt{3}}{2} = -0.8660254037844386
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\frac{\left(3\sqrt{3}-3i\right)\sqrt{3}}{2i\left(\sqrt{3}\right)^{2}}
Rationalize the denominator of \frac{3\sqrt{3}-3i}{2i\sqrt{3}} by multiplying numerator and denominator by \sqrt{3}.
\frac{\left(3\sqrt{3}-3i\right)\sqrt{3}}{2i\times 3}
The square of \sqrt{3} is 3.
\frac{\left(3\sqrt{3}-3i\right)\sqrt{3}}{6i}
Multiply 2i and 3 to get 6i.
\frac{3\left(\sqrt{3}\right)^{2}-3i\sqrt{3}}{6i}
Use the distributive property to multiply 3\sqrt{3}-3i by \sqrt{3}.
\frac{3\times 3-3i\sqrt{3}}{6i}
The square of \sqrt{3} is 3.
\frac{9-3i\sqrt{3}}{6i}
Multiply 3 and 3 to get 9.
Examples
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y = 3x + 4
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}