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a fost răspuns

2(2√2-1)∧2+(2√2+1)∧2 Cum rezolvam asta?;-;

Răspuns :

Albatran
2(√8-1)²+ (√8+1)²= 2( 8+1-2√8) +8+1+2√8=18-4√8+9+2√8=

27-2√8= 27-4√2
Spidie
2*(2√2-1)²+(2√2+1)²=2*(8-4√2+1)+(8+4√2+1)=2*(9-4√2)+(9+4√2)=18-8√2+9+4√2=
=27-4√2

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