MCQOPTIONS
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MCQOPTIONS
| 1. |
For function f(x,y) to have no extremum value at (a,b), |
| 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 ‚Äö√Ñ√∂‚àö√ë‚àö¬® s<sup>2</sup> = 0 | |