Odpowiedź:
(4+√15)/(4-√15)= [ (4+√15)(4+√15)] / [(4-√15)(4+√15)]= (4+√15)²/ ( 4²-√15²)=
(4+8√15+15)/1= 19+8√15
Szczegółowe wyjaśnienie:
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Odpowiedź:
(4+√15)/(4-√15)= [ (4+√15)(4+√15)] / [(4-√15)(4+√15)]= (4+√15)²/ ( 4²-√15²)=
(4+8√15+15)/1= 19+8√15
Szczegółowe wyjaśnienie: