figure bwhere the entry to remove (with key is stored at node (wwith an external child(abefore the removal(bafter the removal figure removal from the binary search tree of figure bwhere the entry to remove (with key is stored at node (wwhose children are both internal(abefore the removal(bafter the removal performance of binary search tree the analysis of the searchinsertionand removal algorithms are similar we spend ( time at each node visitedandin the worst casethe number of nodes visited is proportional to the height of thusin dictionary implemented with binary search tree tthe findinsertand remove methods run in