Question: 2 null 4 null null null null null null Which of the following is the correct order that the nodes would be visited using Preorder

2 null 4 null null null null null null Which of the following is the correct order that the nodes would be visited using Preorder traversal? 0 1,2,4,5, 3,6 O 4,5, 2,6, 3, 1 4, 5,2,3, 1,6 O 1,2,4, 5, 6,3
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