MCQOPTIONS
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| 1. |
Integrate 2x cos (x2+3). |
| A. | sin u2061(x<sup>2</sup>+3)+C |
| B. | sin<sup>2</sup> u2061(x<sup>2</sup>+3)+C |
| C. | cot u2061(x<sup>2</sup>+3)+C |
| D. | -sin u2061(x<sup>2</sup>+3)+C |
| Answer» B. sin<sup>2</sup> u2061(x<sup>2</sup>+3)+C | |