If `|z_1-1|

1.	If `\|z_1-1\|
Answer» `\|z-1\|<1` center(1,0) and` r_1=1` `\|z_2-2\|<2` `C_2(2,0) and r_2=2` `\|z_3-3\|<3` `c_3(3,0) and r_3=3` `\|Z_1\| in(0,2)` `\|Z_2\| in (0,4)` `\|Z_3\| in(0,6)` `\|z_1+z_2+z_3\| in (0,12)` option 3 is correct.

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