Evaluate
16
Factor
2^{4}
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4\sqrt{2}\sqrt{2}\sqrt{4}
Factor 8=2\times 4. Rewrite the square root of the product \sqrt{2\times 4} as the product of square roots \sqrt{2}\sqrt{4}.
4\times 2\sqrt{4}
Multiply \sqrt{2} and \sqrt{2} to get 2.
8\sqrt{4}
Multiply 4 and 2 to get 8.
8\times 2
Calculate the square root of 4 and get 2.
16
Multiply 8 and 2 to get 16.
Examples
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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
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