Write a program to create a base class: “Question3”, with protected data member: x (int)  and with pure virtual function: “Task ()” [Returns no value and takes no argument]. Create a  derived class of “Question3” such as “Sub1” (Derive features in public mode). In sub1, there  is a member function in public section: get_data1 () to take input for x, and define Task () in  this class to display the factorial of x. [Implement the above program by creating pointer to  base in main () function and call the necessary functions].

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