For the following questions you mist show all workiug to receive full marks. ta a) determine whether thec following infinite sum converges to a finite valne, diverges, or does neither. [2 marks] b) determine whether the following infinite sum converges to a finite value, diverges, or does neither using the integral test. σ. 1 2+1 3 marks c) determine whether the following infinite sum converges to a finite value, diverges, or does neither. 3t -1)+1 27 ai12 marks d) find convergence of following power series. 2" 3n+1 3n - 1 n-1