two processors A, B are running on a shared memory envirument and they share a varible X,Processes execute instuction as follow: 1.At time t0 both processors A and B read X ,X=6 2.At time t1 processer A uptade the value of X =11 3.At time t2 processerB execute x=x+7 what is the value of X after processer B termnaites its execution ,if we consider cache cohernce and write -back caches to update the value in the memory

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