Mathematics · Application of Derivatives
Let f be a real-valued function defined on R - {-1, 1} and given by f(x) = 3 loge|x - 1x + 1| - 2x - 1. Then in which of the following intervals is the function f(x) increasing?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(-∞, 1/2] - {-1}
- 2(-1, 1/2]
- 3(-∞, ∞) - {-1, 1}
- 4(-∞, -1) ∪ ([1/2, ∞) - {1})✓
Correct answer
(-∞, -1) ∪ ([1/2, ∞) - {1})
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