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if a and b are positive integers then a+b+ab=65 , find (a-b) . [a,b |
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Answer» Step-by-step explanation: 65=13X5 --> only combination a+b+ab=65 b(a/b+1+a)=13X5 if b=5--> 5(a/5+a+1)=65 a/5 +1+a= 13 6a+5=65 6a=60 a=10, b=5 a-b=5 |
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