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〖(√2+1)〗^2+√(17+12√2)=?

Răspuns :


〖(√2+1)〗^2+√(17+12√2)=?
√2+1=-√(17+12√2)
(√2+1)²=[-√(17+12√2)]²
2+2√2+1=17+12√2
3+2√2-12√2+17=20-10√2=10(2-√2)