public override IFunction derivative()
{
IFunction leftSide, rightSide, addDderivative;
leftSide = Toleft.derivative();
rightSide = ToRight.derivative();
addDderivative = new AddFunction(leftSide, rightSide);
return(addDderivative);
}
public override IFunction derivative()
{
IFunction leftSide, rightSide, multipleDderivative;
leftSide = new Multiplication(Toleft.derivative(), ToRight);
rightSide = new Multiplication(Toleft, ToRight.derivative());
multipleDderivative = new AddFunction(leftSide, rightSide);
return(multipleDderivative);
}
public override IFunction derivative()
{
IFunction devisionDderivative, leftabove, rightabove, minusAboveDevision, powerDown;
leftabove = new Multiplication(Toleft.derivative(), ToRight);
rightabove = new Multiplication(Toleft, ToRight.derivative());
minusAboveDevision = new MinusFunction(leftabove, rightabove);
powerDown = new Power(ToRight, new Numbers(2));
devisionDderivative = new DevisionFunction(minusAboveDevision, powerDown);
return(devisionDderivative);
}
