Răspuns :
de exemplu avem
1) a= -1 b= -9
mg=√ab
mg=√(-1)*(-9)= √9=3
2)a= 1 b=9
mg=√1*9= √9=3
3) a= -1 b= 9
mg= √ (-1)*9= √ -9 = 3i
1) a= -1 b= -9
mg=√ab
mg=√(-1)*(-9)= √9=3
2)a= 1 b=9
mg=√1*9= √9=3
3) a= -1 b= 9
mg= √ (-1)*9= √ -9 = 3i