[" If "(T_(2))/(T_(3))" in the expansion of "(a+b)^(n)" and "(T_(3))/(T_(4))" in the "],[" expansion of "(a+b)^(n+3)" are equal,then "n" is equal to "],[[" (A) "3," (B) "4," (C) "5," (D) "6]]

If (T_(2))/(T_(3)) is the expansion of (a+b)^(n) and (T_(3))/(T_(4)) in the expansion of (a+b)^(n+3) equal, then n =

If (T_(2))/(T_(3)) is the expansion of (a+b)^(n)and(T_(3))/(T_(4)) is the expansion of (a+b)^(n+3) are equal , then n is equal to -

Let t_(n ) denote the n th term in a binomial expansion. If (t_6)/( t_5) in the expansion of (a+b)^(n+4) and (t_5)/(t_4) in the expansion of (a+b)^(n) are equal, then n is equal to a)9 b)11 c)13 d)15

If in the expansion of (a+b)^(n) , (T_(2))/(T_(3)) is equal to (T_(3))/(T_(4)) in the expansion of (a+b)^(n+3) then n = ……….

In expansion of (x+a)^(5), T_(2):T_(3)=1:3 , then x:a is equal to

In expansion of (x+a)^(5), T_(2):T_(3)=1:3 , then x:a is equal to

Let t_(n) denote the n^(th) term in a binomial expansion. If (t_(6))/(t_(5)) in the expansion of (a+b)^(n+4) and (t_(5))/(t_(4)) in the expansion of (a+b)^(n) are equal, then n is

In the expansion of (x+y)^(n),T_(r+1) = __________