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1. |
If \[{{t}_{n}}\] denotes the nth term of a G.P. whose common ratio is r, then the progression whose nth term is \[\frac{1}{t_{n}^{2}+t_{n+1}^{2}}\] is |
A. | A.P. |
B. | G.P. |
C. | H.P. |
D. | None of these |
Answer» C. H.P. | |