यदि ""^(n)C(r) + ""^(n)C(r+1) = ""^(n+1)C(x), तब x का मान है
C R N Full Form. Country road (various locations) cr.
Country road (various locations) cr.
Country road (various locations) cr. Country road (various locations) cr.
C R N Full Form. Country road (various locations) cr.
Country road (various locations) cr.
Country road (various locations) cr. Country road (various locations) cr.