How do you simplify ab plus ab?

Yes an No. You can have blood type AB in following situations: AO+ BO AA+BB AB+AB So there's more possible ways to get type AB other than the combination of ABs.

No, A person with AB- can receive from O-, A-, B-, or AB-. See chart on related link. A positive Rh factor can receive from a negative, but not the other way around.

2ab

Difficult to tell when you cannot use parentheses. a*(b+c) or a(b+c) = ab + ac This is known as the distributive property of multiplication over addition.

Is your question from digital electronics if yes than, AB + AB = AB ;and we can get this by using an 2 input AND gate(7408) where the two inputs are A & B and output will be AB. Only valid in...