For which of the following sets A does there exist a branch of logarithm of the function f(z) = 1 – z-2 in the domain C – A? (a) A = (-00,0]U [1, 00) (b) A = [-1,0] U [1, 0) %3D (c) A = {te# : -1

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3. For which of the following sets A does there exist a branch of logarithm of
the function f(z) = 1– z-2 in the domain C – A?
(a) A = (-00, 0]U [1,00)
(b) A = [-1,0] U [1, 0)
(c) A
{tet :
-1<t<1}
(d) A = {et : 0<t <n}U{it : t< 0}
Transcribed Image Text:3. For which of the following sets A does there exist a branch of logarithm of the function f(z) = 1– z-2 in the domain C – A? (a) A = (-00, 0]U [1,00) (b) A = [-1,0] U [1, 0) (c) A {tet : -1<t<1} (d) A = {et : 0<t <n}U{it : t< 0}
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