JEE Main 2022 Mathematics question
Let , , , …, be in geometric progression with and the common ratio 1/2. A new data is construction replacing each by . If x̄ is the mean of new data, then the greatest integer less than or equal to x̄ is .
Answer: 142
Solution
x̄ = . Here − 1/4) = , ix_{i}2)^{i-1}$ = 12(1 -
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