What is the tight asymptotic time complexity (the best upper bound, Θ) of the…

What is the tight asymptotic time complexity (the best upper bound, Θ) of the following recurrence relation?

T(n) = 2T(n/2) + n log n, for n ≥ 2

T(1) = 0

  1. A.

    O(n (log n)2)

  2. B.

    O(n)

  3. C.

    O(n log n)

  4. D.

    O(n2)

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