4.2 day 1 Sigma Notation.notebook

4.2 day 1 Sigma Notation.notebook
January 21, 2014
Sigma Notation
• The sum of n terms a 1+a2+a3+…+an is:
• where i is the index of summation and a i is the ith
term of the sum
Sigma Notation
Jan 2­7:54 AM
Ex. 1 Find the following sums
Jan 2­7:54 AM
Summation Properties
• a)
• b)
• c)
Jan 2­7:54 AM
Ex. 2 Find the following Sums
• a)
Jan 2­7:54 AM
Using your calculator
TI-83
TI-84 without update
Press Math-0
TI-84 with update
Press Alpha F2
• b)
• c)
Jan 2­7:54 AM
Jan 2­7:54 AM
1
4.2 day 1 Sigma Notation.notebook
January 21, 2014
Summation Formulas
Jan 9­8:40 AM
Ex 3 Find the following sums
• a)
Jan 2­7:54 AM
Ex 4 Find the following sums
• a)
• b)
• b)
Jan 2­7:54 AM
Jan 2­7:54 AM
Jan 17­3:30 PM
2