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## Homework Statement

here are my function.

s = xy'z + x'y'z + xyz

## Homework Equations

boolean algebra

## The Attempt at a Solution

after i try many boolean law. i got this

c. F(x,y,z) = xy’z+x’y’z+xyz

= xy’z + x’y’z + x’y’z + xyz

= y’z(x + x’) + x’y’z + xyz

= y’z(x + x’) + z(x’y’+xy)

= y’z(1) + z(x’y’+xy)

but i stuck in this line

i know x'y'+xy is (x xor y )'

what is the simplest ?

thank in advance