Let the sequence X be defined recursively by x1 = 1 and Xn+1 = Xn +...

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Answer 1

Answer #1

X,1 Anti , n71. = Ant Then nis n-1 O x2 = ity n=1 n 1 + E ( 1+ (-1) + (-1) 2 ni x3 = -را- + 1 2 n=1 n-1 nn = 1+ I High- n=1

Answer 2

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