MCQ
int "e"^ $x$ int $[(2-\sin 2 x) /(1-\cos 2 x)]^{\prime} d x= ______.
- A$e^x \cot +c$
- B$-e^x \tan 2 x+c$
- ✓$-e^{ x } \cot + c$
- D$e ^{ x } \tan + c$
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(i) $\ce{A2 + B2 -> AB2 + A (slow)}$
(ii) $\ce{A + B2 -> AB2 (fast)}$