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The quadratic polynomial f(x) has a zero at x = 2. The polynomial f(f(x) has only one real zero, at x = 5. Compute f(0).

 Jan 26, 2019
 #1
avatar+97575 
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There must be a relatively simple way to do this but I am out of ideas.

Can another mathematician help?

 Jan 27, 2019

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