5√2+2√3 / 5√2 - 2√3 zapisz w postaci a+b√c ZROBCIE MI TO :) DAM NAJ
5√2+2√3 / 5√2 - 2√3 * 5√2+2√3 / 5√2 + 2√3 = (5√2+2√3)² / (5√2 - 2√3)(5√2 + 2√3) =
25*2+20√6+4*3 / (25*2 - 4*3) = 62+20√6 / 48 = 62/48 + 20/48√6=31/24 + 5/12√6
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5√2+2√3 / 5√2 - 2√3 * 5√2+2√3 / 5√2 + 2√3 = (5√2+2√3)² / (5√2 - 2√3)(5√2 + 2√3) =
25*2+20√6+4*3 / (25*2 - 4*3) = 62+20√6 / 48 = 62/48 + 20/48√6=31/24 + 5/12√6