Sec. 2.3 (p.67): Exercise 2a 2. Find the order of growth of the following sum a. i=0n1(i2+1)2 Use the (g(n)) notation with the simplest function g(n) possible. Hints: Expand the square and then use summation formulas 3 and 4 from appendix A: 3. i=1ni2=12+22++n2=6n(n+1)(2n+1)31n3 4. i=1nik=1k+2k++nkk+11nk+1