Real Variable

See also

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More things to try:

• functions
• complex variable
• {{0,-1},{1,0}}.{{1,2},{3,4}}+{{2,-1},{-1,2}}

Cite this as:

Weisstein, Eric W. "Real Variable." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RealVariable.html

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