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Q. 5

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Precalculus Enhanced with Graphing Utilities
Found in: Page 854
Precalculus Enhanced with Graphing Utilities

Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465

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Short Answer

P(n,r)=______

The complete statement is P(n,r)=n!(n-r)!.

See the step by step solution

Step by Step Solution

Step 1. Given information.

The given statement is:

P(n,r)=______

Step 2. Determine the value for the blank.

The number of arrangements of n objects using rn of them, in which

  • The n objects are distinct.
  • Once an object is used it cannot be repeated,
  • Order is important.

is given by the formula:

P(n,r)=n!(n-r)!

Step 3. Conclusion.

The complete statement is P(n,r)=n!(n-r)!.

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