Tricks of AP & GP#!#HP

AP ||GP

If the pth,qth & rth terms of an AP are in GP. Find the common ratio of the GP.

Problem Solving of AP,GP,HP,AGP

If a,b,c are in AP or GP or HP,then (a-b)/(b-c) is equal to

If a, b, c are in AP or GP ot HP where a>0, b>0, c>0 then prove that b^2> or = or < ac .

The roots of the equation x^(3)-14x^(2)+56x-64=0 are in .........progression A.P. G.P. H.P.

if (m+1)th, (n+1)th and (r+1)th term of an AP are in GP.and m, n and r in HP. . find the ratio of first term of A.P to its common difference