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Calculați media aritmetică a nr :
x=√600+√12(3√12-5√2)
y=√24 [150-√8(5√3-√48)]

Răspuns :

Landreea459
x=√600 +√12(3√12-5√2)=10√6+3√144-5√24=10√6+3•12-5•2√6=10√6+36-10√6=36
y=√24[150-√8(5√3-√48)]=2√6[150-√8(5√3-4√3)]=2√6[(√8•√3)]=2√6(150•√24)=2√6(150•2√6)=2√6• 300√6=600√36=600•6=3600
madia aritmetica=(36+3600):2=3636:2=1818

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