Where are you getting xz+z /z + zxy?Hello,
Im trying to solve this with identities
View attachment 51689
xz+z /z + zxy = z
z ( x +/x + xy) <-- x +/x = 1 (identity)
z (xy) = z so now what? Im trying to find identity to get rid xy but I dont know how to do it ..
Sorry..Where are you getting xz+z /z + zxy?
Be careful with your distribution. Once you distribute everything correctly, you'll see a common factor.
EDIT: Just realized you're using "/" as a "not" symbol. I suggest you use an apostrophe after the variable instead of a / before it.
what is any variable ORed with 1?z ( 1 + y ) = z <-- Im stuck! what can I do ?
Well, then you're good. I've never seen given like that, but since your teacher gave that, use it!well in my notes that my teacher gave me says C' +CB = C+B
z (1 ) = z is that the way I should do it ?If anything is "OR"ed with a 1, the outcome is 1. So z (1 + y) is the same as z (1). What is Z AND 1?
It works, doesn't it?z (1 ) = z is that the way I should do it ?
...sounds like a logical progressionz (1 ) = z is that the way I should do it ?
Remember the rule A' + AB' is A' + B'. If you rearrange a bit, you will see that this can help you twice.Now I have another that Im stuck sorry
x'+y' + xyz'= x'+y'+ z'
No idea how to do it .. the only think I can find x' y' could be xy'' ( xy are not) but there are not common factors or something in this equation that can lead me to do something
Sorry I dont know that rule, but I have this one with only one not .. A + A'B, but iff I have the whole term together because is XYZ' and the rule says A' + AB' ? is that applies?Remember the rule A' + AB' is A' + B'. If you rearrange a bit, you will see that this can help you twice.
Matt
Hmm, I was thinking it worked with two NOTs just as it would with only 1. I could be wrong though. I haven't done this in a whileSorry I dont a rule like that, I have this one but looks like but I only have one not .. A + A'B in this case if I use your rule but if also applies if I have the whole term together because is XYZ' and the rule says A' + AB' ?
Let:Remember the rule A' + AB' is A' + B'. If you rearrange a bit, you will see that this can help you twice.
Matt
x' + xy = x' + y
^ ^^ ^ ^
| || | |
A' A B' A' B'
Try putting it in a CODE block. You probably will still see it as proportional spacing while you are typing, but it will show up as monospaced when posted (or previewed).Note: periods are for formatting, it didn't like spaces
This is confusing because it isn't an identity. It is valid, but you only see why when you go through the steps...A + A'B = A + B
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