How do I show that [math]|alpha| leq max[/math] {[math]1, sum_{i=0}^{n-1} |a_i|[/math]} where [math]alpha [/math] is zero of [math]p(x)=sum_{i=0}^{n} a_i x^i,[/math] where [math]a_i[/math] may be complex and [math]a_n =1[/math]?
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How do I show that [math]|alpha| leq max[/math] {[math]1, sum_{i=0}^{n-1} |a_i|[/math]} where [math]alpha [/math] is zero of [math]p(x)=sum_{i=0}^{n} a_i x^i,[/math] where [math]a_i[/math] may be complex and [math]a_n =1[/math]?
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