Evaluate
14
Real Part
14
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16-2+\left(-9-\left(-9\right)\right)i
Subtract 2-9i from 16-9i by subtracting corresponding real and imaginary parts.
14
Subtract 2 from 16. Subtract -9 from -9.
Re(16-2+\left(-9-\left(-9\right)\right)i)
Subtract 2-9i from 16-9i by subtracting corresponding real and imaginary parts.
Re(14)
Subtract 2 from 16. Subtract -9 from -9.
14
The real part of 14 is 14.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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