Chapter 13: Q. 5 (page 854)

$P (n, r) =______$

Short Answer

Expert verified

The complete statement is $P (n, r) = \frac{n!}{(n - r)!}$ .

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 $r \leq n$ 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:

$P (n, r) = \frac{n!}{(n - r)!}$

Step 3. Conclusion.

The complete statement is $P (n, r) = \frac{n!}{(n - r)!}$ .

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$P (n, r) =______$

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Determine the value for the blank.

Step 3. Conclusion.

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P(n,r)=______

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Determine the value for the blank.

Step 3. Conclusion.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Logic and Functions

Applied Mathematics

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Statistics

Study anywhere. Anytime. Across all devices.

$P (n, r) =______$