Răspuns :
2/r2-r6/r3. prima o amplif cu r3 si a doua cu r2
=2r3-r12/r6=
2r3-2r3/r6=
0/r6=
0
=2r3-r12/r6=
2r3-2r3/r6=
0/r6=
0
2 / √2 - √6 / √3 = 2 / √2 - √2·√3 / √3 = 2 / √2 - √2 = 2 / √2 - √2 · √2 / √2 = 2 / √2 - 2 / √2=
( 2 - 2 ) / √ 2 = 0 / √ 2 = 0
( 2 - 2 ) / √ 2 = 0 / √ 2 = 0