MCQOPTIONS
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				| 1. | 
                                    Which of the following equations represents Clairaut’s partial differential equation? | 
                            
| A. | z=px+f(p,q) | 
| B. | z=f(p,q) | 
| C. | z=p+q+f(p,q) | 
| D. | z=px+qy+f(p,q) | 
| Answer» E. | |