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CBSE Class 8 Mathematics Question 6 of 11

Algebra Play — Question 6

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6
Question
If the bottom row of an n-row pyramid contains the first n Virahanka-Fibonacci numbers, what can we say about the numbers in the pyramid? What can we say about the number at the top?
Answer

When the bottom row uses the first n Virahanka-Fibonacci numbers = (2n – 1)th ∴ The number at the top of the pyramid = (2n – 1)th Virahanka-Fibonacci number. 6.4 Fun with Grids Math Talk (Page 142)