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
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