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If ^18C15+2 ^18C16+^17C16+1=^nC3, then n...

If `^18C_15+2 ^18C_16+^17C_16+1=^nC_3`, then `n=`

A

18

B

20

C

22

D

24

Text Solution

Verified by Experts

The correct Answer is:
B
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