A G.P. consist of even number of terms. If the sum of the terms occupying the odd places…
Mathematics · JEE Advanced · NTA Exams — Progression and Series
A G.P. consist of even number of terms. If the sum of the terms occupying the odd places is S1 and that of the terms in the even places is S2, then the common ratio of the G.P. is
- \(\frac{\mathrm{S}_{1}}{\mathrm{~S}_{2}}\)
- \(\frac{\mathrm{S}_{2}}{\mathrm{~S}_{1}}\)
- \(\frac{2 \mathrm{~S}_{1}}{\mathrm{~S}_{2}}\)
- \(\frac{\mathrm{S}_{2}}{2 \mathrm{~S}_{1}}\)
Answer
(B) S _ 2 ~S _ 1
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