Math Calculators, Lessons and Formulas

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The following calculator can be used to simplify ANY radical expression.

To use it, replace radical sign with letter r .

Example 1: to simplify $(\sqrt{2}-1)(\sqrt{2}+1)$ type (r2 - 1)(r2 + 1).

Example 2: to simplify $\left( \frac{2}{\sqrt{3} - 1} + \frac{3}{\sqrt{3}-2} + \frac{15}{3- \sqrt{3}}\right)\cdot \frac{1}{5+\sqrt{3}}$ type (2/(r3 - 1) + 3/(r3-2) + 15/(3-r3))(1/(5+r3)).

Important: The form will NOT let you enter wrong characters (like y, p, ;, ...) How to input??

0 1 2 3 4 5 6 7 8 9 - + * / ^ . ( ) del
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## Examples

 $a)~~\sqrt{125}$ $b)~~(7-\sqrt3)(2+\sqrt3)^2$ $c)~~2\sqrt{50}-\sqrt{32}+\sqrt{72}-2\sqrt{8}$ $d)~~\frac{6}{\sqrt{21}+\sqrt{7}+2\sqrt{3}+2}$ $e)~~\frac{1-\sqrt{2}}{1+\sqrt{2}}$ $f)~~\left(\frac{15}{\sqrt6 + 1} + \frac{4}{\sqrt6 - 2} - \frac{12}{3-\sqrt6}\right) \cdot (\sqrt6 + 11)$ $g)~~\frac{\sqrt{27}-\sqrt{8}}{\sqrt3+\sqrt2-\frac{\sqrt6}{\sqrt3+\sqrt2}} - \frac{\sqrt{27}+\sqrt{8}}{\sqrt3-\sqrt2+\frac{\sqrt6}{\sqrt3-\sqrt2}}$

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