Evaluate
3-2i
Real Part
3
Share
Copied to clipboard
-2+4+\left(-3-1\right)i-\left(-1\right)+2i
Combine the real and imaginary parts in numbers -2-3i and 4-i.
2-4i-\left(-1\right)+2i
Add -2 to 4. Add -3 to -1.
2-4i+1+2i
The opposite of -1 is 1.
2+1-4i+2i
Combine the real and imaginary parts in numbers 2-4i and 1.
3-4i+2i
Add 2 to 1.
3+\left(-4+2\right)i
Combine the real and imaginary parts in numbers 3-4i and 2i.
3-2i
Add -4 to 2.
Re(-2+4+\left(-3-1\right)i-\left(-1\right)+2i)
Combine the real and imaginary parts in numbers -2-3i and 4-i.
Re(2-4i-\left(-1\right)+2i)
Add -2 to 4. Add -3 to -1.
Re(2-4i+1+2i)
The opposite of -1 is 1.
Re(2+1-4i+2i)
Combine the real and imaginary parts in numbers 2-4i and 1.
Re(3-4i+2i)
Add 2 to 1.
Re(3+\left(-4+2\right)i)
Combine the real and imaginary parts in numbers 3-4i and 2i.
Re(3-2i)
Add -4 to 2.
3
The real part of 3-2i is 3.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}