Use any of the results in this section to evaluate the given integral along the indicated closed contour(s). 2z dz +6 (a) z=1 (b) |z-2i = 1 (c) |Z| = 7

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A: As per you have mentioned I am answering only #1 y''-4y'+4y=3e2x

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A: Sol:- ∫-11∫-11∫-11x+y+zdydxdz

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