MCQOPTIONS
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MCQOPTIONS
| 1. |
For function f(x,y) to have no extremum value at (a,b) is? |
| A. | rt s<sup>2</sup>>0 |
| B. | rt s<sup>2</sup><0 |
| C. | rt s<sup>2</sup> = 0 |
| D. | rt s<sup>2</sup> 0 |
| Answer» C. rt s<sup>2</sup> = 0 | |