MonotonicityHard

Question

In which interval f(x) = 2x2 − log | x|, (x ≠ 0) is monotonically decreasing

Options

A.(− 1/2, 1/2)
B.(− ∞, −1/2)
C.(−∞, −1/2) ∪ (0, 1/2)
D.(−∞, −1/2) ∪ (1/2, ∞)

Solution

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