\sqrt{ 3 } \sqrt{ (1+ \sqrt{ 9) \times 4 } +4 }
Evaluate
\sqrt{51}\approx 7.141428429
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\sqrt{3}\sqrt{1+3\times 4+4}
Calculate the square root of 9 and get 3.
\sqrt{3}\sqrt{1+12+4}
Multiply 3 and 4 to get 12.
\sqrt{3}\sqrt{13+4}
Add 1 and 12 to get 13.
\sqrt{3}\sqrt{17}
Add 13 and 4 to get 17.
\sqrt{51}
To multiply \sqrt{3} and \sqrt{17}, multiply the numbers under the square root.
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}