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Evaluate:
20
C
4
We know that:
n
C
r
⇒
20
C
4
⇒
20
C
4
⇒
20
C
4
⇒
20
C
4
⇒
20
C
4
⇒
20
C
4
⇒
20
C
4
=4845
Ans:
20
C
4
=4845
1
