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Show that AB+bar(AB)is always 1....

Show that `AB+bar(AB)`is always 1.

Text Solution

Verified by Experts

LHS `= AB + AB`
`= x+barX`
`If X = 0,barX = 1`
`If barX = 0`
`x = 1 = 1+0 or 0+1`
= 1 = RHS` (Proved)
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