Evaluate
\frac{61}{4}=15.25
Factor
\frac{61}{2 ^ {2}} = 15\frac{1}{4} = 15.25
Quiz
Polynomial
5 problems similar to:
25 + \frac { 1 } { 2 ^ { 2 } } - \frac { 10 } { a } \quad \cdot a
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25+\frac{1}{4}-\frac{10}{a}a
Calculate 2 to the power of 2 and get 4.
\frac{100}{4}+\frac{1}{4}-\frac{10}{a}a
Convert 25 to fraction \frac{100}{4}.
\frac{100+1}{4}-\frac{10}{a}a
Since \frac{100}{4} and \frac{1}{4} have the same denominator, add them by adding their numerators.
\frac{101}{4}-\frac{10}{a}a
Add 100 and 1 to get 101.
\frac{101}{4}-10
Cancel out a and a.
\frac{101}{4}-\frac{40}{4}
Convert 10 to fraction \frac{40}{4}.
\frac{101-40}{4}
Since \frac{101}{4} and \frac{40}{4} have the same denominator, subtract them by subtracting their numerators.
\frac{61}{4}
Subtract 40 from 101 to get 61.
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}