Evaluate
\frac{5\sqrt{2}}{2}\approx 3.535533906
Quiz
Arithmetic
5 problems similar to:
\frac{ 10 \times \frac{ 1 }{ 2 } }{ \frac{ 1 }{ 1 } \sqrt{ 2 } }
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\frac{10\times \frac{1}{2}}{1\sqrt{2}}
Divide 1 by 1 to get 1.
\frac{\frac{10}{2}}{1\sqrt{2}}
Multiply 10 and \frac{1}{2} to get \frac{10}{2}.
\frac{5}{1\sqrt{2}}
Divide 10 by 2 to get 5.
\frac{5\sqrt{2}}{\left(\sqrt{2}\right)^{2}}
Rationalize the denominator of \frac{5}{1\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
\frac{5\sqrt{2}}{2}
The square of \sqrt{2} is 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}