MCQ
`int_0^(pi/2) 1/(1 + cos^3x) "d"x` = ______.
- Aπ
- B`pi/2`
- C2π
- ✓`pi/4`
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(i) $\ce{A2 + B2 -> AB2 + A (slow)}$
(ii) $\ce{A + B2 -> AB2 (fast)}$