(3√6 - 2√10) (3√6 + 2√10) = (3√6)² - (2√10)² = 9 * 6 - 4 * 10 = 54 - 40 = 14
(3√6 - 2√10)(3√6 + 2√10) = (3√6)² - (2√10)² = 3² * √6² - 2² * √10² = 9*6 - 4*10 = 54-40 = 14
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(3√6 - 2√10) (3√6 + 2√10) = (3√6)² - (2√10)² = 9 * 6 - 4 * 10 = 54 - 40 = 14
(3√6 - 2√10)(3√6 + 2√10) = (3√6)² - (2√10)² = 3² * √6² - 2² * √10² = 9*6 - 4*10 = 54-40 = 14
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Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)