A sequence a_1,a_2,a_3,.a_n of real numbers is such that a_1=0, |a_2|= – InterviewSolution

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1.	A sequence a_1,a_2,a_3,.a_n of real numbers is such that a_1=0, \|a_2\|=\|a_1+1\|,\|a_3\|=\|a_2+1\|,gt,\|an\|=\|a_(n-1)+1\|. Prove that the arithmetic mean (a_1+a_2+……..+a_n)/n of these numbers cannot be les then - 1/2.
Answer» 44228 -1/2 1 can't be determind Answer :B

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