Study resource
Trees common mistakes
Study Trees with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
At a glance
common mistakes
Resource type
Topic
Trees
AqaA LevelComputer ScienceFundamentals of data structures
Common mistakes
Assuming every tree has a root
Treating the terms tree and rooted tree as interchangeable.
Fix itA tree does not have to have a root. A rooted tree is a tree with one designated root vertex.
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