MCQ
`int_0^1 sin^-1 ((2x)/(1 + x^2))"d"x` = ______.
- ✓`pi/2 - log 2`
- B`pi/2 + 1/2 log 2`
- C`pi/2 + log 2`
- D`pi/2 - 1/2 log 2`
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| Column I | Column II | ||
| i. | Vitamin C | a. | S. cerevisiae |
| ii. | Beer | b. | A. niger |
| iii. | Chloromycetin | c. | Sclerotiana libertine |
| iv. | Pectinase | d. | S. venezuelae |