This lecture explains the PYQs on CSIR NET Dec 2023 Complex Analysis Short Cut Tricks. Q.ID 704036, 704030, 704033, 704034 #csirnetdec2023 #csirnetdec2023solution
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In convex set a line AB joining any two points A, B in the set lies completely within the set. Here f(H) is points inside unit circle except zero. If we connect two points in real line let one from negative real axis and other from +ve real axis ,when we connect that two point using a line definitely it will pass through zero but zero does not belong to f(H).There fore its not a convex set.