Evaluate
6-11i
Real Part
6
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9-3+\left(-2-9\right)i
Combine the real and imaginary parts in numbers 9-2i and -3-9i.
6-11i
Add 9 to -3. Add -2 to -9.
Re(9-3+\left(-2-9\right)i)
Combine the real and imaginary parts in numbers 9-2i and -3-9i.
Re(6-11i)
Add 9 to -3. Add -2 to -9.
6
The real part of 6-11i is 6.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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