5. Zapisz w postaci sumy. a) √7(5-√7) b) (3-√5) (5+2√5).... Question from @cmateusz5522

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5. Zapisz w postaci sumy. a) √7(5-√7)
b) (3-√5) (5+2√5)

Niuans1

Odpowiedź:

Szczegółowe wyjaśnienie:

√7(5-√7)=5√7-7

(3-√5)(5+2√5)=(15+6√5-25-2*5)=6√5-20

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