Evaluate
5+14i
Real Part
5
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3+\left(2+8i\right)+6i
The opposite of -2-8i is 2+8i.
3+2+8i+6i
Combine the real and imaginary parts in numbers 3 and 2+8i.
5+8i+6i
Add 3 to 2.
5+\left(8+6\right)i
Combine the real and imaginary parts in numbers 5+8i and 6i.
5+14i
Add 8 to 6.
Re(3+\left(2+8i\right)+6i)
The opposite of -2-8i is 2+8i.
Re(3+2+8i+6i)
Combine the real and imaginary parts in numbers 3 and 2+8i.
Re(5+8i+6i)
Add 3 to 2.
Re(5+\left(8+6\right)i)
Combine the real and imaginary parts in numbers 5+8i and 6i.
Re(5+14i)
Add 8 to 6.
5
The real part of 5+14i is 5.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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