nawias pierwiastek kwadratowy z dwóch odjąć pierwiastek kwadratowy z sześciu nawias do kwadratu
(√2-√6)²=
=√2²-2√2·√6+√6²=
=2-√12+6=8-√12=
=8-√2·2·3=
=8-2√3
(√2 - √6)² = 2 - 2* √2 * √6 + 6 = 8 - 2√12 = 8 - 2 *2 √3 = 8 - 4√3 = 4(2 - √3)
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(√2-√6)²=
=√2²-2√2·√6+√6²=
=2-√12+6=8-√12=
=8-√2·2·3=
=8-2√3
(√2 - √6)² = 2 - 2* √2 * √6 + 6 = 8 - 2√12 = 8 - 2 *2 √3 = 8 - 4√3 = 4(2 - √3)