Question: Write a recursive function called findSecondSmallest for the BinarySearchTree class that returns a pointer to the node containing the second smallest item. If there

Write a recursive function called findSecondSmallest for the BinarySearchTree class that returns

Write a recursive function called findSecondSmallest for the BinarySearchTree class that returns a pointer to the node containing the second smallest item. If there is no such item, then return nullptr. The function prototype is shown below. BinaryNode * findSecondSmallest (BinaryNode* t) const;

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