Explain the visibility of base class members for the access specifiers: private, protected and public while creating the derived class and also explain the syntax for creating derived class.

In C++, when creating a derived class from a base class, the visibility of the base class members (methods and attributes) depends on the access specifier used. Here's how each access specifier affects visibility:

1. Private: If the base class members are private, they are not accessible directly from the derived class. They can only be accessed through methods of the base class.

2. Protected: If the base class members are protected, they are accessible in the derived class and in any further subclass (derived from the derived class), but not outside these classes.

3. Public: If the base class members are public, they are accessible everywhere, including in the derived class.

The syntax for creating a derived class is as follows:

class DerivedClass : access_specifier BaseClass
{
    // class body
};

Where DerivedClass is the name of the new class, access_specifier is one of public, protected, or private, and BaseClass is the name of the class from which you're deriving.

Here's an example:

class BaseClass
{
public:
    int publicMember;
protected:
    int protectedMember;
private:
    int privateMember;
};

class DerivedClass : public BaseClass
{
    // class body
};

In this example, DerivedClass has access to publicMember and protectedMember from BaseClass, but not privateMember.