If the progressions 3,10,17,……… and 63,65,67,………are such that their `n^(th)` terms are equal , then find the value of n

If the nth terms of the progression 5, 10, 20, … and progression 1280, 640, 320,… are equal, then find the value of n.

If the 17th and 18th terms in the expansion of (2+a)^(50) are equal , find the value of a.

If in the expansion of (a+b)^(n) the coefficient of 4^(th) and 13^(th) term are equal.Find the value of n

In the expansion of (1+x)^(n),7 th and 8th terms are equal.Find the value of (7/x+6)^(2)

If the coefficients of the 6th and 5th terms of expansion (1+x)^(n) are in the ratio 7:5 , then find the value of n.

If the arithmetic progression whose common difference is nonzero the sum of first 3n terms is equal to the sum of next n terms.Then,find the ratio of the sum of the 2n terms to the sum of next 2n terms.

If the coefficients of the (n+1)^(th) term and the (n+3)^(th) term in the expansion of (1+x)^(20) are equal,then the value of n is 10 b.8 c.9 d.none of these

If the m^(th) term of a G.P is n and n^(th) term be m then find the (m+n)^(th) term

If coefficient of 9th, 10th and 11th terms of (1+x)^(n) are in A.P., then the value of n can be

If n^(th) term of an ap is (3+n)/(4) find its 8^(th) term