derive method
Derives this expression with respect to the given variable.
Implementation
@override
Expression derive(String toVar) =>
((first.derive(toVar) * second) - (first * second.derive(toVar))) /
(second * second);
Derives this expression with respect to the given variable.
@override
Expression derive(String toVar) =>
((first.derive(toVar) * second) - (first * second.derive(toVar))) /
(second * second);