Discuss the continuity for f(x) = 1-u^2 2+u^2

MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Discuss the continuity for f(x)=1−u22+u2, where u=tan⁡x.f(x) = \frac{1-u^2}{2+u^2}, \text{ where } u = \tan x.

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