Let A, B, and Cez. 1. Prove that if A CB then P[AUB]=P[B].
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![Let A, B, and Cez.
1. Prove that if ACB, then
P[AUB]=P[B].](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ec6f329-50bb-4c20-9c8c-c0055614c30a%2Fa903212c-ac72-4ceb-9512-d2ecde25a5de%2Ft00d93e_processed.png&w=3840&q=75)
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