(a) (i) Give the prefix and postfix notation for the following ordered rooted tree below. (ii) Evaluate the prefix expression found. 9- X- 5

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(a) (i) Give the prefix and postfix notation for the following ordered rooted tree below.
(ii) Evaluate the prefix expression found.
9
_ ٪.
Cu
7
4
+
X
6 5
(t
구
2
(b) Prove that an undirected graph has an even number of vertices of odd degree.
Transcribed Image Text:(a) (i) Give the prefix and postfix notation for the following ordered rooted tree below. (ii) Evaluate the prefix expression found. 9 _ ٪. Cu 7 4 + X 6 5 (t 구 2 (b) Prove that an undirected graph has an even number of vertices of odd degree.
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