Evaluate
12
Factor
2^{2}\times 3
Quiz
Arithmetic
5 problems similar to:
\sqrt{ \frac{ 36 }{ 49 } } \left( \sqrt{ 121 } + \sqrt{ 9 } \right)
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\frac{6}{7}\left(\sqrt{121}+\sqrt{9}\right)
Rewrite the square root of the division \frac{36}{49} as the division of square roots \frac{\sqrt{36}}{\sqrt{49}}. Take the square root of both numerator and denominator.
\frac{6}{7}\left(11+\sqrt{9}\right)
Calculate the square root of 121 and get 11.
\frac{6}{7}\left(11+3\right)
Calculate the square root of 9 and get 3.
\frac{6}{7}\times 14
Add 11 and 3 to get 14.
\frac{6\times 14}{7}
Express \frac{6}{7}\times 14 as a single fraction.
\frac{84}{7}
Multiply 6 and 14 to get 84.
12
Divide 84 by 7 to get 12.
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}