. The derivative of w = f(z) at z = zo is given by f(zo+Az)-f(zo) Az f'(zo) = lim Az→0 = lim = Oz+z Show that f'(z) does not exist for any point z when z² (a) f(z) = Re z, (b) f(z) = Im z, and (c) f(z) Z ƒ(z) — ƒ(zo) 2-20 for z 0 and f(0) = 0.

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Q: 8. On a graph of f(x) = x², (a) draw the tangent line to the graph of f at the point (2, f(2)); (b)…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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Q: Find the directional derivative Du f(p) of the following function f

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