sin(3z) Let f(z) = and C: |z – n| = 1. Then S. f(z)dz = z2(z-n) а. О b. 2ni с. —2пі d. None of the above

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A: Let's find.

Q: Use complex numbers

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A: Simply add and multiply the given data.

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A: Since you have posted multiple subparts, as per our policy we will answer first three subparts.…

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A: The solution is:

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