virtual base class C++ program to display the sum of the series

Write a program in C++ to display the sum of the series by using the virtual base class.sum of the series c++

C++ program to find sum of series by using the virtual base class. summation c++ by using the virtual base class.

different series programs in c++ by using the virtual base class.

c++ calculate series by using the virtual base class. Sum c++ by using the virtual base class.

C++ loop sum numbers by using the virtual base class. C++ program to calculate sum of 10 numbers by using the virtual base class.