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mojhsa [17]
3 years ago
5

Evaluate C(7, 4) 35 210 5,040

Mathematics
1 answer:
qwelly [4]3 years ago
4 0

We can use combination formula

C(n,r)=\frac{n!}{r!(n-r)!}

we are given

C(7,4)

so, n=7 and r=4

now, we can plug this value

and we get

C(7,4)=\frac{7!}{4!(7-4)!}

C(7,4)=\frac{7!}{4!\cdot \:3!}

=\frac{7\cdot \:6\cdot \:5}{3!}

=\frac{210}{6}

C(7,4)=35.............Answer

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