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| Q. |
For a function y = f(x1,x2), the total differential is given by |
| A. | dy = f1dx1 + f2dx2 |
| B. | dy = f1dx2 + f2dx1 |
| C. | both a and b |
| D. | none of these |
| Answer» A. dy = f1dx1 + f2dx2 | |
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