TEAM PROJECT. Limit, Continuity, Derivative (a) Limit.
Chapter 13, Problem 13.3(choose chapter or problem)
TEAM PROJECT. Limit, Continuity, Derivative (a) Limit. Prove that (I) is equivalent to the pair of relations lim Re i(z) = Re t, lim 1m Ie::) = 1m l. 2-----;"2'0 Z-Zo (b) Limit. If lim I(:::) exists, show that this limit is unique. z-zo (e) Continuity. If:::}o ::2' ... are complex numbers for which lim ::" = a, and if i(:) is continuous at 'it_CO z = a, show that lim i(::n) = i(a). n-----'""x (d) Continuity. If if:::) is differentiable at :::0' show that if:::) is continuous at :::0' (e) Differentiability. Show that if::) = Re z = x is not differentiable at any z. Can you find other such functions? (l) Differentiability. Show that if::) = 1:::12 is differentiable only at:: = 0; hence it is nowhere analytic.
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