Geometric Progression
Easymathematics
The geometric mean of 4 and 9 is
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Solution
Incorrect! Answer:
6
- Definition of GM: The geometric mean of two positive numbers a and b is the number G such that a,G,b form a GP.
- Formula: G=ab.
- Calculation:
- G=4×9=36=6.
- Result: The GM is 6.
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The sum of the series 1 + 2x + 3x² + 4x³ + ... to n terms (where |x| < 1) is
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About This Question
- Subject
- mathematics
- Chapter
- sequence and series
- Topic
- geometric progression
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
6
- Definition of GM: The geometric mean of two positive numbers a and b is the number G such that a,G,b form a GP.
- Formula: G=ab.
- Calculation:
- G=4×9=36=6.
- Result: The GM is 6.
This easy difficulty mathematics question is from the chapter sequence and series, covering the topic of geometric progression. It appeared in the 2025 exam.
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