For the given values of n and r, evaluate (a) n! (n-r)! and (b) = n! r!(n-r)! n! (a) When n = 13 and r = 5, (n-r)! (Simplify your answer. Type an integer or a simplified fraction.) n! (b) When n = 13 and r = 5, r!(n-r)! (Simplify your answer. Type an integer or a simplified fraction.) for n 13 and r = 5.
For the given values of n and r, evaluate (a) n! (n-r)! and (b) = n! r!(n-r)! n! (a) When n = 13 and r = 5, (n-r)! (Simplify your answer. Type an integer or a simplified fraction.) n! (b) When n = 13 and r = 5, r!(n-r)! (Simplify your answer. Type an integer or a simplified fraction.) for n 13 and r = 5.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:For the given values of n and r, evaluate (a)
=
n!
(n-r)!
and (b)
n!
(a) When n = 13 and r = 5,
(n-r)!
(Simplify your answer. Type an integer or a simplified fraction.)
=
n!
r!(n-r)!
n!
(b) When n = 13 and r = 5,
r!(n-r)!
(Simplify your answer. Type an integer or a simplified fraction.)
for n = 13 and r = 5.
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