Question: Prove that n! is (2n). Note: Function f(n) is (g(n)) if there exist positive constants c and n0 such that cg(n) f(n) when n n0.

Prove that n! is (2n). Note: Function f(n) is (g(n)) if there exist positive

constants c and n0 such that cg(n) f(n) when n n0.

Prove that n! is (2n). Note: Function f(n) is (g(n)) if there

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