In a complete k-ary tree, every internal node has exactly k children. The number of leaves in such a tree with n internal nodes is: (a) nk (b) (n – 1) k+ 1 (c) n( k – 1) + 1 (d) n(k – 1) Answer (c) according to the books. please help me to solve this..

Hey i get it now.. i was not including the root node among internal nodes, thats why i had confusion.