13. Expressing the binomial coefficients in terms of fac- Morials and simplifying algebraically, show that torials n-r+1 (a) (b) n n r r (H) (₁².₁); · (^= ¹); n n-r r r n = n (-(¹)-+ (₁) =

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 26E
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I just need part C!!! Expressing the binomial coefficients in terms of factorials and simplifying algebraically, show that: 

13. Expressing the binomial coefficients in terms of fac-
Morials and simplifying algebraically, show that
torials
n-r+1
(a)
(b)
n
n
r
r
(H) (₁².₁);
· (^= ¹);
n
n-r
r
r
n
=
n
(-(¹)-+ (₁)
=
Transcribed Image Text:13. Expressing the binomial coefficients in terms of fac- Morials and simplifying algebraically, show that torials n-r+1 (a) (b) n n r r (H) (₁².₁); · (^= ¹); n n-r r r n = n (-(¹)-+ (₁) =
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