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The Fibonacci Sequence and the Binomial Theorem ... Sunflower

Pre-Cal 40S Slides December 5, 2007

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More on the binomial theorem.

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Page 1: Pre-Cal 40S Slides December 5, 2007

The Fibonacci Sequence and the Binomial Theorem ...

Sunflower

Page 2: Pre-Cal 40S Slides December 5, 2007

Pascal's TriangleHow many different patterns can you find in the triangle?

Page 3: Pre-Cal 40S Slides December 5, 2007
Page 4: Pre-Cal 40S Slides December 5, 2007
Page 5: Pre-Cal 40S Slides December 5, 2007

Pascal's TriangleCan you find the Fibonacci sequence in the triangle?

Page 6: Pre-Cal 40S Slides December 5, 2007

Any individual term, let's say the ith term, in a binomial expansion can be represented like this:

Example: Find the 4th term in the expansion of

Page 7: Pre-Cal 40S Slides December 5, 2007

Recall: This relation holds for each term in any binomial expansion:

Example: Find the term that contains x in the expansion of

[exponent on a] + [exponent on b] = n

And any individual term in a binomial expansion can be represented like this:

Page 8: Pre-Cal 40S Slides December 5, 2007

Recall: This relation holds for each term in any binomial expansion:

Example: Find the term that contains x in the expansion of

[exponent on a] + [exponent on b] = n

And any individual term in a binomial expansion can be represented like this:

Page 9: Pre-Cal 40S Slides December 5, 2007

Recall: This relation holds for each term in any binomial expansion:

Example: Find the term that contains x in the expansion of

[exponent on a] + [exponent on b] = n

And any individual term in a binomial expansion can be represented like this:

Page 10: Pre-Cal 40S Slides December 5, 2007
Page 11: Pre-Cal 40S Slides December 5, 2007

Example: Find the term that contains x in the expansion of 7

Page 12: Pre-Cal 40S Slides December 5, 2007

Determine the indicated term in each expansion.

(a) the 8th term in the expansion of

Page 13: Pre-Cal 40S Slides December 5, 2007

Determine the indicated term in each expansion.

(b) the 4th term in the expansion of

Page 14: Pre-Cal 40S Slides December 5, 2007

Determine the indicated term in each expansion.

(c) the middle term in the expansion of

Page 15: Pre-Cal 40S Slides December 5, 2007

Find the term that contains in the expansion of:

This question is HOMEWORKand Exercise #34.