Question: For the sequence given in Problem 97, show that Data from Problem 97 u 1 = 1, u n +1 = u n + (n

For the sequence given in Problem 97, show that 

(n + 1)(n + 2) Un+1 2


Data from Problem 97

u1 = 1, un +1 = un + (n + 1).

(n + 1)(n + 2) Un+1 2

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