please solve question. 20, 22 and 35

ko Compute the summations and products in 1928. 5 4 3 19. (+1) 20. LIK? 21. 2m k=1 k=2 m=0 4 1 0 22. ||(-1) 23. i(i+1) 24. G + 1):21 j=0 i=1 j=0 1 25. 26. (k? + 3) t=2 k=-1 11 - EG - 5 1 i(i + 2) 28. II (i 1). (i + 1) Write the summations in 2932 in expanded form. n +1 n=1 = 2 71 k+1 29. (-2) 30. 70 + 1) 31. 32. Si(i!) = j=1 k! k=0 Evaluate the summations and products in 33-36 for the indi- cated values of the variable. 12t ...+ 1 1 1 1 33. + + n=1 22 32 34. 1(1!) + 2(2!) + 3(3!) +... + m (m!); m = 2 2 3 k 35. ; k= 3 1 + 2+1 3+ k+1 36. (3:2) (*:-) (:3)( m. (m + 1) (m + 2). (m + 3) im = Rewrite 37-39 by separating off the final term. k+1 -1 +1 CS Scanned with CamScanner