Reducible Radical/Examples/Root 4

Example of Reducible Radical

$\sqrt 4$ is a reducible radical because it can be expressed as a rational number:

$\sqrt 4 = 2$


Sources

  • 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): reducible radical
  • 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): reducible radical