Răspuns:
-72√2
64
Explicație pas cu pas:
a=(-2√2)³=(-2√2) *(-2√2)²=-2√2*8=-16√2
b=(-2√2)^5= (-2√2) *(-2√2)²*(-2√2)²=-2√2*8*8=-128√2
(a+b)/2=a/2+b/2=-8√2-64√2=-72√2
|a|=16√2
|b|=128√2
|a|*|b|=2^4√2*2^7√2=2^11*2=2^12
m.g.(|a|, |b|)=√(|a|*|b|)=√2^12=2^6=64