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For which value of n is ⁿC₂ = 45? | StemPy Lab
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For which value of n is ⁿC₂ = 45?
Mathematics
Easy
High School (11–12)
Algebra › Permutations and Combinations
Created by
StemPy Lab
For which value of
n
n
n
is
n
C
2
=
45
^{n}C_{2} = 45
n
C
2
=
45
?
9
9
9
10
10
10
15
15
15
23
23
23
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