Summation Notation14.

Question

Write each sum in summation notation:

 

(a) 1/2+ 2/3+ 3/4+ 4/5+...+10/11

 

 

(b) 2/1+ 2²/2+2³/3+2⁴/4+...+2¹⁰/10

 

Show all step by step work to the solution of the problem. Also give the final solution. Please and Thank You.

Answer 1

a)  This is the summation of ten terms, each of which is n/(n+1).  You can write the big sigma, etc.

 

b)  this is the summation of  ten terms, each of which is 2ⁿ/n.