Evaluate
8
Factor
2^{3}
Quiz
Arithmetic
5 problems similar to:
\sqrt { ( 4 \sqrt { 2 } ) ^ { 2 } + ( 4 \sqrt { 2 } ) ^ { 2 } }
Share
Copied to clipboard
\sqrt{4^{2}\left(\sqrt{2}\right)^{2}+\left(4\sqrt{2}\right)^{2}}
Expand \left(4\sqrt{2}\right)^{2}.
\sqrt{16\left(\sqrt{2}\right)^{2}+\left(4\sqrt{2}\right)^{2}}
Calculate 4 to the power of 2 and get 16.
\sqrt{16\times 2+\left(4\sqrt{2}\right)^{2}}
The square of \sqrt{2} is 2.
\sqrt{32+\left(4\sqrt{2}\right)^{2}}
Multiply 16 and 2 to get 32.
\sqrt{32+4^{2}\left(\sqrt{2}\right)^{2}}
Expand \left(4\sqrt{2}\right)^{2}.
\sqrt{32+16\left(\sqrt{2}\right)^{2}}
Calculate 4 to the power of 2 and get 16.
\sqrt{32+16\times 2}
The square of \sqrt{2} is 2.
\sqrt{32+32}
Multiply 16 and 2 to get 32.
\sqrt{64}
Add 32 and 32 to get 64.
8
Calculate the square root of 64 and get 8.
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}