Question: Prove (using induction) that the recurrence T(n) = T(n 1) + n; T(1) = 1 has as its closed-form solution T(n) = n(n +

Prove (using induction) that the recurrence T(n) = T(n − 1) + n; T(1) = 1 has as its closed-form solution T(n) = n(n + 1)/2.

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