Find the A. P. whose ` 7^(th) and 13^(th)` terms are respectively 34 and 64 .

In the expansion of (1+x)^(n) the coefficients of pth and (p+1)^(th) terms are respectively p and q then p+q =

The 4^(th) and 9^(th) terms of a G.P. Are 54 and 13122 respectively .Find the 6^(th) term .

If the 2^(nd) and 5^(th) terms of G.P. are 24 and 3 respectively then the sum of 1^(st) six terms is :

If the 2^(nd) and 5^(th) terms of a G.P are 24 and 3 respectively , then the sum of 1^(st) six terms is _______

The sum of the 4^(th) and 8^(th) terms of an AP is 24 and the sum of the 6^(th) and 10^(th) terms is 44. Find the first three terms of the AP.

The p^(th), q^(th) and r^(th) terms of an A.P. are a, b, c, respectively. Show that (q-r) a+(r-p) b+(q-p)c = 0

If the 4th , 7 th and 10th term of a G.P. be a,b,c respectively, then the relation between a,b,c is :

Given a G.P. with a = 729 and 7^("th") term 64, determine S_7 .

If the 4th, 10th and 16th terms of a G.P. are x, y and z, respectively. Prove that x, y, z are in GP.