Show that the function f(z)=sin(z)/z^4 at z=0 has a pole of order 3 at z=0

Question : Show that the function f(z)=sin(z)/z^4 at z=0 has a pole of order 3 at z=0 Solution : To Classify the singularity of f(z)=sin(z)/z^4 at z = 0 we shall proceed as follows We know that a function f(z)…

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