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6. Find the sum-of-products expansions of the Boolean function F(x,y) that equals 1 if and only if x=1 and y=0 or x=0 and y=1. xy+yx(x+y)(x+y)xy+xy 9. Which logical function is represented by the following circuit? (x+y)yx+y+yx+yy 10. Find the simplification of the expression represented by the following K-map. yzyzyzyyz : : x+y xyz+xyz+xyz+xyz+xyz xyz+xyz+xyz+xyz