MCQOPTIONS
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| 1. |
Differentiate y = ex cos x2 |
| A. | –ex sin x2 |
| B. | ex (cos x2 – 2x sin x2) |
| C. | ex cos x2 – 2x sin x2 |
| D. | -2xex sin x |
| Answer» C. ex cos x2 – 2x sin x2 | |