Answer
4950
Work Step by Step
$ \binom {100} {98} =\dfrac {100!}{98!\left( 100-98\right) !}=\dfrac {98!\times 99\times 100}{98!\times 2!}=\dfrac {99\times 100}{2}=4950$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 12 - Section 12.6 - The Binomial Theorem - 12.6 Exercises - Page 886: 19
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