MCQOPTIONS
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MCQOPTIONS
| 1. |
Which one of the following is correct if we differentiate the equation xy = aex + be-x two times? |
| A. | x(d<sup>2</sup>y/ dx) + 2(dy/dx) = xy |
| B. | x(d<sup>2</sup>y/ dx) 2(dy/dx) = xy |
| C. | 3x(d<sup>2</sup>y/ dx) + 2(dy/dx) = xy |
| D. | x(d<sup>2</sup>y/ dx) + 2(dy/dx) = 2xy |
| Answer» B. x(d<sup>2</sup>y/ dx) 2(dy/dx) = xy | |