Mathematics

Mathematics

Problem

Which of the following is not a homogeneous function of xx and yy ? (A) y2−xyy^2 - xy (B) x−3yx - 3y (C) sin⁡2yx+yx\sin^2 \frac{y}{x} + \frac{y}{x} (D) tan⁡x−sec⁡y\tan x - \sec y

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