The solution of the equation is:

MATHEMATICS · Single correct · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

The solution of the equation log⁡cos⁡x2(3−2x)<log⁡cos⁡x2(2x−1)\log_{\cos x^2}(3-2x)<\log_{\cos x^2}(2x-1) is: (a) (1/2,1)(1/2,1) (b) (−∞,1)(-\infty,1) (c) (1/2,3)(1/2,3) (d) (1,∞)∖{2nπ:n∈N}(1,\infty)\setminus\{\sqrt{2n\pi}:n\in\mathbb{N}\}

Related theory

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