a=?;b=?;a,b apartin lui R
(a+b)(i+1)=(a-b+1)(i-1)
i la 2=-1
i= -radical din 1=-1
0(a+b)=(a-b+1)(-2)
(-2)(a-b+1)=0
a-b+1=-1/2
a-b=-3/2
a-b=-3/2 |+2b
a-b+2b=-3/2+2b
a+b=-3/2+2b
(a+b)(i+1)=(a-b+1)(i-1)
(-3/2+2b)(i+1)=(-3/2+1)(-2)
-3/2+2b=(-3/2+1)(-2)x0
-3/2+2b=0
2b=3/2
b=3/2x1/2
b=3/4
a-b=-3/2
a-3/4=-3/2
a=-3/2+3/4
a=-3/4
