Răspuns :
a=9-12rad2+8=17-12rad2
b=9+12rad2+8=17+12rad2
rad(a×b)=rad[(17-12rad2)(17+12rad2)]
rad(a×b)=rad(289-288)=rad1=1
b=9+12rad2+8=17+12rad2
rad(a×b)=rad[(17-12rad2)(17+12rad2)]
rad(a×b)=rad(289-288)=rad1=1
a=(3-√2)^2
b=(3+√2)^2
Mg=√a×b
a×b={(3-2√2)^2(3+2√2)^2
=[(3-2√2)(3+2√2)]^2
=9-8
=1
unde( 2√2)^2=8
Mg=√1=1
b=(3+√2)^2
Mg=√a×b
a×b={(3-2√2)^2(3+2√2)^2
=[(3-2√2)(3+2√2)]^2
=9-8
=1
unde( 2√2)^2=8
Mg=√1=1