Suppose T is the family of all complex polynomials k=YJ f{z) = a,z' such that jafcl ^ 10̂ ' for fc = 0 , 1 , 1 7 . Show that J " is a normal family. Let / be analytic on {2; : 0

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Suppose T is the family of all complex polynomials k=YJ f{z) = a,z' such that jafcl ^ 10^' for fc = 0,1,17. Show that J" is a normal family. Let / be analytic on {2; : 0




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Suppose T is the family of all complex polynomials k=YJ f{z) = a,z' such that jafcl ^ 10^' for fc = 0,1,17 . Show that J" is a normal family. Let / be analytic on {2; : 0 <>






Suppose T is the family of all complex polynomials k=YJ f{z) = a,z' such that jafcl ^ 10̂ ' for fc = 0 , 1 , 1 7 . Show that J " is a normal family. Let / be analytic on {2; : 0 < \z\ 2} . and suppose that for n = 0 ,1 , 2.... [ z^f{z)dz = 0. show that / has a removable singularity st 2; = 0. / let f is an analytic function on the open unit disk d. suppose there exist^infinitety many distmet z,ed,k^ 1,2,3,... such that f{zk) - 0. does tlxis imply that j = rrove or give a counterexample. \z\="" 2}="" .="" and="" suppose="" that="" for="" n="0" ,1="" ,="" 2....="" [="" z^f{z)dz="0." show="" that="" has="" a="" removable="" singularity="" st="" 2;="0." let="" f="" is="" an="" analytic="" function="" on="" the="" open="" unit="" disk="" d.="" suppose="" there="" exist^infinitety="" many="" distmet="" z,ed,k^="" 1,2,3,...="" such="" that="" f{zk)="" -="" 0.="" does="" tlxis="" imply="" that="" j="rrove" or="" give="" a="">
Answered Same DayDec 23, 2021

Answer To: Suppose T is the family of all complex polynomials k=YJ f{z) = a,z' such that jafcl ^ 10̂ ' for fc =...

Robert answered on Dec 23 2021
131 Votes
Yes, Problem is the convergence of the infinite product.
So lets have this product
f(z) =
1
z +
1
∞∏
n=1
(
z − (−1 + 1
n
)
)
For any z, when z = −1 + 1n , f(z) = 0.
Hence this function has infinite zero. This function is not analytic at z = −1.
As the term z + 1 is in the...
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