Evaluate
-556
Real Part
-556
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-278-29i+\left(2-i\right)^{7}
Calculate 2+i to the power of 7 and get -278-29i.
-278-29i+\left(-278+29i\right)
Calculate 2-i to the power of 7 and get -278+29i.
-556
Add -278-29i and -278+29i to get -556.
Re(-278-29i+\left(2-i\right)^{7})
Calculate 2+i to the power of 7 and get -278-29i.
Re(-278-29i+\left(-278+29i\right))
Calculate 2-i to the power of 7 and get -278+29i.
Re(-556)
Add -278-29i and -278+29i to get -556.
-556
The real part of -556 is -556.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}