Q2. [24 marks] Answer the following questions related to O(),() and (). - (i). [5 marks] What is the asymptotic (Big-Oh) complexity of the function g(n)= (n2+nlogn)(n3+logn)? - (ii). [5 marks] What is the asymptotic (Big-Theta) complexity of the function g(n)=(n3+2n+1)(n2+n3)? - (iii). [7 marks] Prove that n!=O(nn). - (iv). [7 marks] Prove that i=1n(i)=(n2)