The ratio of 3rd and 4th terms of `(x+2//3x^2)^7` is

Ratio of 3^(rd) and 4^(th) terms of (x+(2)/(3 x^(2)))^(7) is

The ratio of the 11th and 14th terms of an A.P. is 7:9, find the ratio of the 10th term to 3rd term of the series.

In a GP of 6 terms, the first and last terms are (x^(3))/(y^(2)) and (y^(3))/(x^(2)) respectively. Find the ratio of 3rd and 4th terms of that GP.

If the coefficients of 2nd, 3rd and 4th terms of (1+x)^(2n) are in A.P., then n equals

The product of 3rd and 8th terms of a G.P. is 243 and its 4th term is 3. Find its 7th term.

The product of 3rd and 8th terms of a G.P. is 243 and its 4th term is 3. Find its 7th term.

The product of 3rd and 8th term of a GP is 243. If its 4th term is 3. find its 7th term.

The product of 3^(rd) and 8^(th) terms of a G.P. is 243. If its 4^(th) term is 3, find its 7^(th) term.

The ratio of the 7th to the 3rd terms of an A.P. is 12:5, find the ratio of the 13th to 4th term :

If the coefficients of 2nd,3rd and 4th terms in the (1+x)^(2n) are in A.Pshow that 2n^2-9n+7=0