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| 1. |
{ Let }f(x)=ax^2-b\vert x\vert, where }a and }b are constant. }}{ Then at }x=0,f(x) has |
| Answer» { Let }f(x)=ax^2-b\vert x\vert, where }a and }b are constant. }}{ Then at }x=0,f(x) has | |