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1619 ... . ..
:: -i: 1: 1: 1: -i
z=-2+5i z z. : i: i: -1
:z=-2-5i; -z=2-5i.
z+z; z+(-z). -z+z:
: ? ?
: z=a+2i z= -5+bi, b2 z z
z=5-2i. , ? ? , ? , : ?
?:
:(+2i)(-2i) (+i)(a-i)
2+4+1
:2i-4 -4 -8i+8i=0
(1+i)2(1+i)4(1-i)4(1+i)6+(1-i)6
z=2-3i 4 -z= -2-3i 3
z=2+3i. , :
2+bi, bR2+bi, bR0
, :
=0 =180 =90 =270
) ?) ?) ?) 0?
0,25110,5 = (0,25;0,5)
0 , =1
033.(0;R=3)
0- 1
: 11 ..,..-, .. 4- .-.; ,1995.
4. (7-8 ).:1 231422 12431
1212342-22i-2i1-ii-1i+i2++i15i+i2++i16-11i0