Explanation Given information: First four triangular number provided in diagram: Consider the first four triangular number provided in diagram: The first term given here is a dot which represents 1 st triangular number is 1. And for second term, 2 more dots are added to it and joined it as a triangle which represents 2 nd triangular number is 3. And for third term, 3 more dots are added to it and joined it as a triangle which represents 3 rd triangular number is 6. And for fourth term, 4 more dots are added to it and joined it as a triangle which represents 4 th triangular number is 10

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ISBN: 9781260014228

Author: sobecki

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Chapter 2.6, Problem 7G

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The fifth and sixth triangular number with the help of the inductive reasoning.

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Chapter 2.6, Problem 6G

Chapter 2.6, Problem 8G

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Chapter 2 Solutions

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The fifth and sixth triangular number with the help of the inductive reasoning.

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Chapter 2 Solutions