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If the sum of two numbers is 4 and the product of the two numbers is 7 then what is the sum of the reciprocals of the two numbers?

 Sep 24, 2020
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x+y=4

 

xy=7

 

 

1/x  +1/y = ?       get common denominator

(x+y)/xy =?

= 4/7

 Sep 24, 2020

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