A cura di: Gianluca
$(sqrt(5)-1)(sqrt(6+2sqrt(5)))$
=$sqrt((sqrt(5)-1)(6+2sqrt(5)))$
=$sqrt((6-2sqrt(5))(6+2sqrt(5)))$
=$sqrt(36-4sqrt(25))$
=$sqrt(36-20)$
=$sqrt(16)$
=$4$
di Anoè Gianluca – www.chenesoio.com
- Radicali
$(sqrt(5)-1)(sqrt(6+2sqrt(5)))$
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