Question

Calculati media geometrica a numerelor:
a) 5(radical)2 + 7 si 5(radical)2 -7;
b)2(radical)24 si 9(radical)6;
c) 0,09 si 100;
d) 4-2(radical)3 si 4+ 2(radical)3;
e) (radical)2 si (radical)8;
f) 3(radical)5 -6 si 3(radical)5 + 6

Va rog mult ajutati-ma!!!! Help!!!

Answer 1

a)  mg=√(5√2+7)(5√2-7)=√1=1
b)mg=√4√6·9√6=6√6
c)mg=√9/100·100=√9=3
d)mg=√(4-2√3)(4+2√3)=√4=2
e)mg=√√2·√8=√4=2
f)mg=√(3√5-6)(3√5+6)=√9=3