<prompt> Kutokana na mizizi ya mti binary, kurudi kina yake ya juu. kina cha juu ya mti binary ni idadi ya nodes katika njia ndefu kutoka node mizizi chini ya node majani mbali.  <response>: To find the maximum depth of a binary tree from the root node, we can implement a simple recursive algorithm. We first check the base condition of whether the root node is null or not. If its null, then the maximum depth is zero. Otherwise, we recursively find the maximum depth of the left and right subtrees. The maximum depth of the binary tree will be the maximum of the left and right subtrees maximum depth plus one for the root node itself. Heres the Python code:def maxDepthroot: if root is None: return 0 else: left_depth maxDepthroot.left right_depth maxDepthroot.right return maxleft_depth, right_depth 1This algorithm has a time complexity of On, where n is the number of nodes in the binary tree, as we visit each node exactly once. 