The big-O notation for f(n) = 2log(n!) + (n2 + 1)logn is?

1.	The big-O notation for f(n) = 2log(n!) + (n² + 1)logn is?
A.	n
B.	n<sup>2</sup>
C.	nlogn
D.	n<sup>2</sup>logn
Answer» E.

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