Evaluate
6-6i
Real Part
6
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4+2+\left(-3-3\right)i
Combine the real and imaginary parts in numbers 4-3i and 2-3i.
6-6i
Add 4 to 2. Add -3 to -3.
Re(4+2+\left(-3-3\right)i)
Combine the real and imaginary parts in numbers 4-3i and 2-3i.
Re(6-6i)
Add 4 to 2. Add -3 to -3.
6
The real part of 6-6i is 6.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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Matrix
\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
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