Oblicz wartość wyrażenia
(2+√3)³-(2+√3)²= (2+√3)²(2+√3-1) = (4+4√3+3)(1+√3) = (7+4√3)(1+√3) = 7+7√3+4√3+12= 19+11√3
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(2+√3)³-(2+√3)²= (2+√3)²(2+√3-1) = (4+4√3+3)(1+√3) = (7+4√3)(1+√3) = 7+7√3+4√3+12= 19+11√3