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Consider the set the of hyperbola `xy = k, k in R`. Let `e_(1)` be the eccentricity when `k = 4` and `e_(2)` be the eccentricity when `k = 9` then `e_(1) - e_(2) =`A. `-1`B. `0`C. `2`D. `3` |
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Answer» Correct Answer - B `e_(1) = sqrt(2) , e_(2) = sqrt(2)` `e_(1) = e_(2) = sqrt(2) - sqrt(2) = 0` |
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