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Mathematics
Differential Calculus
The function
Question
The function
A.
Increasing in (0, ∞) and decreasing in (-∞, 0)
B.
Decreasing in (0, ∞) and increasing in (-∞, 0)
C.
Decreasing in (-∞, -1]∪[1, ∞) and increasing in (-1, 1)
D.
Increasing in (-∞, -1]∪[1, ∞) and decreasing in (-1, 1)
Solution
Correct option is D
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