The figure below contains a drawing of a 5-dot triangle made by using 5 dots on each side. The 5-dot triangle requires a total of 12 dots to construct. How many dots will be used to make a 13-dot triangle?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The figure below contains a drawing of a 5-dot triangle made by using 5
dots on each side. The 5-dot triangle requires a total of 12 dots to
construct. How many dots will be used to make a 13-dot triangle?
3し
12 dots
If n represents the number of dots on each side of an n-dot triangle, write
an expression to represent the total number of dots in the triangle.
5 dots cach Side
Transcribed Image Text:The figure below contains a drawing of a 5-dot triangle made by using 5 dots on each side. The 5-dot triangle requires a total of 12 dots to construct. How many dots will be used to make a 13-dot triangle? 3し 12 dots If n represents the number of dots on each side of an n-dot triangle, write an expression to represent the total number of dots in the triangle. 5 dots cach Side
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