Răspuns :
Ma=(a+b)/2
Mg=√a·b
a) Ma=(6√2+3√2)/2=9√2/2
Mg=√(6√2)x(3√2=√18·2=√36=6
b)Ma=(√5+√5)/2=2√5/2=√5
Mg=√(√5·√5)=√5
c)√50=5√2
Ma=(5√2+√2)/2=6√2/2=3√2
Mg=√(5√2·√2)=√5·2=√10
d)Ma=(3+√5+3-√5)/2=6/2=3
Mg=√(3+√5)(3-√5)=√(9-5)=√4=2
Mg=√a·b
a) Ma=(6√2+3√2)/2=9√2/2
Mg=√(6√2)x(3√2=√18·2=√36=6
b)Ma=(√5+√5)/2=2√5/2=√5
Mg=√(√5·√5)=√5
c)√50=5√2
Ma=(5√2+√2)/2=6√2/2=3√2
Mg=√(5√2·√2)=√5·2=√10
d)Ma=(3+√5+3-√5)/2=6/2=3
Mg=√(3+√5)(3-√5)=√(9-5)=√4=2
a)ma=(6√2+3√2):2=9√2:2=4,5√2
mg=√(6√2×3√2)=√18√4=√18×2=√36=6
b)ma=(√5+√5):2=2√5:2=√5
mg=√(√5×√5)=√√25=√5
c)ma=(√50+√2):2=(5√2+√2):2=6√2:2=3√2
mg=√(√50×√2)=√√100=√10
d)ma=(3+√5+3-√5):2=6:2=3
mg=√(3+√5)(3-√5)=√9-5=√4=2
mg=√(6√2×3√2)=√18√4=√18×2=√36=6
b)ma=(√5+√5):2=2√5:2=√5
mg=√(√5×√5)=√√25=√5
c)ma=(√50+√2):2=(5√2+√2):2=6√2:2=3√2
mg=√(√50×√2)=√√100=√10
d)ma=(3+√5+3-√5):2=6:2=3
mg=√(3+√5)(3-√5)=√9-5=√4=2