The other answers given are wrong . Please solve again

3. (25 Points) Consider a dual core (A and B) with 1. Snooping Protocol 2. Write Invalidate 3. Write Back 4. Variable x in memory with content 8 Show the activities and cache and memory content as: .Core A reads x .Core B reads x .CoreA writes 3 to x .Core A writes 4 tox .Core B reads x