What is the best-case time complexity to delete a node from a doubly linked list?O(1)O(n)O(log n)O(n^2)

Which of the following operations takes O(1) time complexity on a doubly linked list?Deleting the first nodeDeleting the last nodeInserting a node after given nodeAll of the above

What is the time complexity of deleting the last node of a doubly linked list referenced as TAIL?

What is the time complexity of deleting a node from the middle of a singly linked list?Group of answer choicesO(1)O(n log n)O(n)O(log n)

What is the time complexity of removing the nth element of a singly linked list? (Assuming you have a pointer to the node to remove)O(n!)O(2^n)O(1)O(n)O(nlog(n))O(n^2)O(log(n))

What is the time complexity of deletion from the end in a circular doubly linked list? a. O(1) b. O(n) c. O(log n) d. O(log log n)