Symbols:Vinculum/Examples/Square Root
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Example of Use of Vinculum
Consider the square root symbol used in this context:
- $\sqrt {25 - 9}$
The bar over the $25 - 9$ is an example of a vinculum.
The expression can also be written:
- $\map \surd {25 - 9}$
Hence the expression equates to $\surd 16 = 4$.
Note that this is not the same as $\surd 25 - 9$ which equals $-4$.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): aggregation
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): aggregation