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Arithmetic
5 problems similar to:
2 { \left( \frac{ 1 }{ 2 } \right) }^{ 2 } +3(- \frac{ 1 }{ 2 } )+1
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2\times \frac{1}{4}+3\left(-\frac{1}{2}\right)+1
Calculate \frac{1}{2} to the power of 2 and get \frac{1}{4}.
\frac{2}{4}+3\left(-\frac{1}{2}\right)+1
Multiply 2 and \frac{1}{4} to get \frac{2}{4}.
\frac{1}{2}+3\left(-\frac{1}{2}\right)+1
Reduce the fraction \frac{2}{4} to lowest terms by extracting and canceling out 2.
\frac{1}{2}+\frac{3\left(-1\right)}{2}+1
Express 3\left(-\frac{1}{2}\right) as a single fraction.
\frac{1}{2}+\frac{-3}{2}+1
Multiply 3 and -1 to get -3.
\frac{1}{2}-\frac{3}{2}+1
Fraction \frac{-3}{2} can be rewritten as -\frac{3}{2} by extracting the negative sign.
\frac{1-3}{2}+1
Since \frac{1}{2} and \frac{3}{2} have the same denominator, subtract them by subtracting their numerators.
\frac{-2}{2}+1
Subtract 3 from 1 to get -2.
-1+1
Divide -2 by 2 to get -1.
0
Add -1 and 1 to get 0.
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}