Question: #14 please 14. Why must ( x^{2}+x+1 ) be a factor of ( x^{5}+x^{4}+x^{3}+x^{2}+x+1 ) ? 15. If ( n ) is not prime, show

#14 please 14. Why must $ x^{2}+x+1 $ be a factor of $ x^{5}+x^{4}+x^{3}+x^{2}+x+1 $ ? 15. If $ n $ is not prime, show that $ x^{n-1}+x^{n-2}+\ldots+1 $ can be properly factored. 2 answers

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