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Posted: **Wed May 04, 2022 10:43 am**

: Let F Z Iz Cos Z Z 1 I Find F Z Ii Evaluate F 2i And Simplify Iii State The Points In The Complex Pla 1 (74.66 KiB) Viewed 34 times

Let f(z)= iz³ + cos(z²) z² +1 i. Find f'(z). ii. Evaluate f'(-2i) and simplify. iii. State the points in the complex plane at which the derivative is undefined. iv. State, giving reasons, whether or not f(z) is entire. (3 marks) (2 marks) (2 marks) (2 marks)