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if the p th ,q th and r th terms of a G.P are a,b,c respectively.Prove that a raised to q-r b raised to r-p c raised to p-q =1 |
| Let A and R be the first term and common ratio of G.P. respectively. n th term of G.P., an = AR n – 1 p th term of G.P. = a ? AR p – 1 = a ...(1) q th term of G.P. = b ? AR q – 1 = b ...(2) r th term of G.P. = c ? AR r – 1 = c ...(3)  |
