Marianne A.

asked • 10/09/14

Find a recurrence relation..

Find a recurrence relation for the number of ways to arrange cars in a row with spaces if we can use Cadillacs or Hummers or Fords. A Hummer requires two spaces,whereas a Cadillac or a Hummer requires just one space.

1 Expert Answer

By:

Mike N. answered • 10/09/14

Tutor
5 (3)

Professional Mathematician with homeschool experience

Marianne A.

Thank you very much Mike! It helped! But if it was "A Hummer and Ford requires two spaces,whereas a Cadillac requires just one space. " what would the recurrence relation me then? Ai-1 + 2AI-2?
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10/10/14

Mike N.

Yes, exactly.  Well done!
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10/10/14

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