USUŃ niewymierność:
\frac{1}{\sqrt{2} + \sqrt{3} + \sqrt{6}} słownie: ( 1 dzielone przez ( pierwiastek z 2 + pierwiastek z 3 + pierwiastek z 6)
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1 √2+√3 -√6 √2+√3-√6 √2+√3-√6
------------ * ------------ = -------------------- =----------------------------=
√2+√3+√6 √2+√3-√6 (√2+√3)² -(√6)² 2+2√6 + 3 - 6
√2+√3-√6 2√6+1 2√12+√2+2√18+√3-12 -√6
=-------------- * ------------- = --------------------------------=
2√6-1 2√6+1 (2√6)² -1²
2√(4*3) + √2 + 2√(9*2) + √3 - 12 - √6 4√3 + √2 + 6√2 + √3-12-√6
=---------------------------------------------=-----------------------------------=
24-1 23
4√3 + 7√2 - √6 - 12
=--------------------------
23