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3. * Let f be an entire function which restricts to a real function f:R R on the real axis. Show that for all z e C, f(z) = f
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3 tag an where. ao,a,,,.. an ER contants. and f(2)= ata, z* får ~R Let f(n) = ao+a; u + Q₂M²+ = ao+Q, z ta₂Z + a₂zZ+ f(2) aot

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