Question: Let a and b be two natural numbers. a) Show that if gcd(a,b)- 1 then gcd(a+b, ab) -1 b) Show that if gcd(a,b) -1 then

Let a and b be two natural numbers. a) Show that

Let a and b be two natural numbers. a) Show that if gcd(a,b)- 1 then gcd(a+b, ab) -1 b) Show that if gcd(a,b) -1 then gcd(a +b.ab) -1

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