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a fost răspuns

Comparati:
5+2√3cu5+3√2

Răspuns :

Vlad2000
5+2√3 = 5+√2²·3=5+√12
5+3√2 = 5+√3²·2=5+√18

cum √18 > √12

⇒5+√18 >5 +√12

deci
5+3√2 >5+2√3
Icecon2005
5+2√3 cu 5+3√2
5+2√3=5+√(2²×3)=5+√12
5+3√2 =5+√(3²×2)=5+√(9×2)=5+√18

√12=3,464
√18=4,242

5+√12=5+3,464=8,464
5+√18=5+4,242=9,242
rezulta ca    5+√12 < 5+√18


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