Which is the correct statements from the below.   a. If a class has dynamic members, we must exit whenever allocation failis to avoid referring to bad data later in the class methods. b. If a class has dynamic members, we must check successful allocation in every method that attempts to refer to the dynamic members' data. c. If a class has dynamic members, we must call the destructor manually as soon as we are done with the object. d. If a class has dynamic members, we must use the delete operator to dispose of any objects created of the class.

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Recurrence relation

A recurrence relation or recursive relation is an equation that represents a function in terms of the values of its smaller inputs. Every recurrence relation T(n) is a recursive function of integer n and consists of a base case and a recursive case.