Evaluate
21
Factor
3\times 7
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42+\sqrt{256}-\sqrt{1369}
Calculate the square root of 1764 and get 42.
42+16-\sqrt{1369}
Calculate the square root of 256 and get 16.
58-\sqrt{1369}
Add 42 and 16 to get 58.
58-37
Calculate the square root of 1369 and get 37.
21
Subtract 37 from 58 to get 21.
Examples
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y = 3x + 4
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Matrix
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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
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Limits
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