1+AB=1 using boolean algebra ? Am I right or not?

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As 1+AB Now if I put A=0 & B=1 then the above expression gives the answer 1 Conversely if I put A=1 & B=0 then again the answer of above expression is 1 I've seen manly rules or laws to solve boolean algebra problems but I didn't see anyone like this so I'm not sure wether I'm right or wrong please guide me thanks in advance