Summation & Sigma Notation

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Presentation transcript:

Summation & Sigma Notation Section 2.2.1 Summation & Sigma Notation

Sigma Notation Σ is the Greek letter sigma Sigma represents the capital “S” in English.

( values for k must be whole numbers or non- negative integers) Last number plugged in. Expanded form Sum Formula Index of summation.

Examples Write in expanded form and evaluate:

Examples Write in expanded form and evaluate:

Definition: Sigma Notation Upper Bound i th Term Index Lower Bound

Adding Rational Expressions Relative Prime Fractions: AKA Butterfly Method

Adding Rational Expressions:

Fractions with Common Factors:

Fractions with Common Factors:

Assignment Pg 72 #2-31 TO 2-45