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fomenos
3 years ago
8

Simplify the expression 7C4

Mathematics
1 answer:
Nady [450]3 years ago
6 0
To simplify 7C4 we use the combination formula given by:
nCr=n!/[(n-r)!r!]
thus:
In our case we shall have:
n=7 and r=4
7C4
=7!/[(7-4)!4!]
=5040/[6×24]
=5040/144
=35

The answer is 35

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