Let r1, r2, 13,... be a Cauchy sequence of real numbers in [0, +0). For In...

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Let r1, r2, 13,... be a Cauchy sequence of real numbers in [0, +0). For In Prove that y1, y2, Y3,... is a Cauchy every positive integer n, let yn sequence by checking the definition of Cauchy sequence. T3n +2 2 Let r1, r2, 13,... be a Cauchy sequence of real numbers in [0, +0). For In Prove that y1, y2, Y3,... is a Cauchy every positive integer n, let yn sequence by checking the definition of Cauchy sequence. T3n +2 2