The Fibonacci numbers are defined recursively by F, = 1, F2 = 1, and F = Fn-1 + Fn-2 for n 2 3. We can prove facts about F using induction by exploiting the recurrence F = Fn-1 + Fn-2, that is, each term is the sum of the two consecutive previous terms. a. Find F for n = 3,4,5,6, and 7. b. Prove F, + F2 + …·+ F, = Fn+2 - 1 for all n > 1. Prove F? + F + .…+ F = F„Fn+1 for all n > 1. K11. C.

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Using complete sentences and terms such as Suppose, consider, then, so, thus if necessary.

The Fibonacci numbers are defined recursively by F1 = 1, F2 = 1, and Fn
n 2 3. We can prove facts about F using induction by exploiting the recurrence F = Fn-1 + Fn-2,
that is, each term is the sum of the two consecutive previous terms.
a. Find F for n = 3,4,5,6, and 7.
b. Prove F1 + F2 + ·…+ Fn = Fn+2 -1 for all n 2 1.
Prove F? + F? + ·.+ F = F„Fn+1 for all n 2 1.
X11.
Fn-1 + Fn-2 for
%3D
C.
%3D
Transcribed Image Text:The Fibonacci numbers are defined recursively by F1 = 1, F2 = 1, and Fn n 2 3. We can prove facts about F using induction by exploiting the recurrence F = Fn-1 + Fn-2, that is, each term is the sum of the two consecutive previous terms. a. Find F for n = 3,4,5,6, and 7. b. Prove F1 + F2 + ·…+ Fn = Fn+2 -1 for all n 2 1. Prove F? + F? + ·.+ F = F„Fn+1 for all n 2 1. X11. Fn-1 + Fn-2 for %3D C. %3D
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