A fill-in-blanks exercise.

]]> A fill-in-blanks exercise. Fill in the derivative of , 2 Native Native Simplify[( )-D[,x]] Native Native Length[Variables[Simplify[( )-D[,x]]]] You wrote that Native OpenMath is the derivative of Native OpenMath . That's correct! That's not correct! No, that is not correct. Try again if you see already the error, or review the material.