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If Sn ∑ Tr = n(n + 1)(n + 2)(n + 3) then for ∈[n,r = 1] ∑ 1/T1 for r ∈ [10,r = 1]

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If  Sn ∑ Tr = n(n + 1)(n + 2)(n + 3) then for ∈[n,r = 1] ∑ 1/T1 for  r ∈ [10,r = 1]

(a)   55/527

(b)   58/528

(C)  59/528

(d)  None of these 

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Correct option (D) None of these 

Tn = Sn - Sn - 1 = n(n + 1)(n + 2)(n + 3) - (n - 1)n(n + 1)(n + 2) = 4n(n + 1)(n + 2)

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