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Arithmetic
5 problems similar to:
\frac{ 20 \sqrt{ { 10 }^{ 2 } - \frac{ { 20 }^{ 2 } }{ 4 } } }{ 2 }
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\frac{20\sqrt{100-\frac{20^{2}}{4}}}{2}
Calculate 10 to the power of 2 and get 100.
\frac{20\sqrt{100-\frac{400}{4}}}{2}
Calculate 20 to the power of 2 and get 400.
\frac{20\sqrt{100-100}}{2}
Divide 400 by 4 to get 100.
\frac{20\sqrt{0}}{2}
Subtract 100 from 100 to get 0.
\frac{20\times 0}{2}
Calculate the square root of 0 and get 0.
\frac{0}{2}
Multiply 20 and 0 to get 0.
0
Zero divided by any non-zero number gives zero.
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}