Math Problem Statement

Find the nth term in the Fibonacci Sequence by showing the solution by adding the number

40th term

69th term

100th term

Solution

The Fibonacci sequence is defined by the recurrence relation:

F(n)=F(n1)+F(n2)F(n) = F(n-1) + F(n-2) with initial values: F(0)=0,F(1)=1.F(0) = 0, \quad F(1) = 1.

To find the 40th, 69th, and 100th terms in the Fibonacci sequence, let's start by calculating the values step by step.

1. 40th Term of Fibonacci Sequence

We start with:

  • F(0)=0F(0) = 0
  • F(1)=1F(1) = 1

From here, we add the previous two terms to generate the sequence up to F(40)F(40).

2. 69th Term of Fibonacci Sequence

We will repeat the process up to the 69th term, similarly adding the previous two terms iteratively.

3. 100th Term of Fibonacci Sequence

Finally, we extend the same pattern to the 100th term.

These calculations involve large numbers, so I will compute them efficiently.

Let me calculate them now.The Fibonacci numbers for the specified terms are:

  1. The 40th term of the Fibonacci sequence is F(40)=102,334,155F(40) = 102,334,155.
  2. The 69th term of the Fibonacci sequence is F(69)=117,669,030,460,994F(69) = 117,669,030,460,994.
  3. The 100th term of the Fibonacci sequence is F(100)=354,224,848,179,261,915,075F(100) = 354,224,848,179,261,915,075.

Would you like more details on how these were calculated or have any further questions?

Here are 5 related questions for deeper exploration:

  1. How does the Fibonacci sequence grow as nn increases?
  2. Can the Fibonacci sequence be calculated using a formula without iteration?
  3. What are the practical applications of the Fibonacci sequence in nature?
  4. How can the Fibonacci sequence be used in algorithm design?
  5. What is the relationship between Fibonacci numbers and the golden ratio?

Tip: The Fibonacci sequence grows exponentially, approximately at the rate of the golden ratio ϕ1.618\phi \approx 1.618. This makes it useful in modeling growth patterns.

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Math Problem Analysis

Mathematical Concepts

Sequences
Recursion
Fibonacci Sequence

Formulas

F(n) = F(n-1) + F(n-2)
F(0) = 0, F(1) = 1

Theorems

Recurrence Relation

Suitable Grade Level

Grades 9-12