4n² trains are arranged in 2n×2n square and each is painted with one of the four colours. Every 2×2 square of trains involves each of the four colours. Prove that the trains on the corners of the 2n×2n square are painted with different colours.
Answers
Answered by
0
Step-by-step explanation:
oyyovyb8tvvyov9yvyovoyftf9fg9y99gh70
Similar questions