**LHS**= xy + xy' = x(y + y') ..........distributive law = x(1) = x RHS = (x+y)(x+y' ) = x+(yy') ...........distributive law = x+(0) .............complement law = x**LHS**= RHS1 Answers · Science & Mathematics · 03/08/2019

...x = c/d Then x = (c/d) - (a/b) RHS is clearly rational while

**LHS**is irrational. This is a contradiction. Hence the sum must...4 Answers · Science & Mathematics · 03/08/2019

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