Problem 2: Given z = 2 + i, 22 = 1 + 3i, zz = -4i and z4 = 2 – 3i.Evalua (a) (f) Z4 - z1 Z3 (b) |Im{z4 – Z3}| (g) (c) Re{z, ?} (h) |1 – z, + z4|

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A: see below the answer and calculation

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A: The given question can be solved as shown in step2

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A: According to the problem, we have

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A: Given the exact differential equation(w3+wz2−z)dw+(z3+w2z−w)dz=0

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A: We will graph the function. 

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A: Note : As per our guidelines we are supposed to answer only one question if there are multiple quest...

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A: The given question can be solved as shown in step2.

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A: see below the answer and explanation

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Q: 4. Find the equation of a line tangent to f (x) = –x² – 4x at x = -1.

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