MCQOPTIONS
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MCQOPTIONS
| 1. |
Find ( frac{ partial u}{ partial x} ) where (u=cos ( sqrt x+ sqrt y) ). |
| A. | ( frac{-1}{2 sqrt x} tan u2061( sqrt x+ sqrt y) ) |
| B. | ( frac{-1}{2 sqrt x} cos u2061( sqrt x+ sqrt y) ) |
| C. | ( frac{-1}{2 sqrt x} sin u2061( sqrt x+ sqrt y) ) |
| D. | ( frac{-1}{ sqrt x} sin u2061( sqrt x+ sqrt y) ) |
| Answer» D. ( frac{-1}{ sqrt x} sin u2061( sqrt x+ sqrt y) ) | |