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a, b, c are the first three terms of geometric series. If the H.M. of a and b is 12 and that of b and c is 36 then which of the following hold(s) good?A. Sum of the first term and common ratio of the G.P. Is 11.B. Sum of the first five terms of the G.P. is 948.C. If the value of the first term and common ratio of the given G.P. is taken as the first term and common difference of an A.P. then its `8^(th)` term is 29`.D. The number `648` is one of the term of the G.P. |
| Answer» Correct Answer - A | |