GATE CSE 2024 Session 1 Q34: Number of spanning trees of K4
- Engineering Mathematics
- 1 mark
- NAT
- No negative marking
Question
The number of spanning trees in a complete graph of 4 vertices labelled A, B, C, and D is _________
Try it: numerical answer: type the value
Numerical answer. No negative marking.
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Answer: 16 (official GATE 2024 final answer key)
Concept used: Cayley's formula: has labelled spanning trees.
First step: Apply with .
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Source: official GATE 2024 Session 1 CS question paper and final answer key, organised by IISc Bangalore. Question paper · Answer key
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