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JEE Main Mathematics question

MathematicsSequence and SeriesJEE Main

The sum of first four terms of a geometric progression (G.P.) is and the sum of their respective reciprocals is . If the product of first three terms of the G.P. is , and the third term is , then is

Answer: 3

Solution

For the terms the sum of reciprocals is , so the ratio of the two given sums is $a·

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Question ID VK-022187