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For all complex numbers z,

let f(z) = z^2 if z is not real, f(z) = 2z if z is real.

 

Find f(f(f(f(1+i)))).

 Jun 15, 2021
 #1
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 f(f(f(f(1+i))))

f(1+i) = 2i

f(2i) = -4

f(-4) = -8

f(-8) = -16

 

=^._.^=

 Jun 15, 2021

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