17. If E is an extension of F and f (x) e F [x] and if is an automorphism of E leaving every element of F fixed, prove that o must take a root of f (x) in E into a root of f (x) in E.

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Q: If E is an extension of F and f (x) e F [x] and if o is an automorphism of E leaving every element…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.