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The sum of two numbers is 10. Their product is twenty. find the sum of reciprocal of the two numbers. ​

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188 cents Joseph Nichols
Answer:

Let two numbers be x and y

given x + y = 10 , xy=20

to find

       (x+y) / xy = 10 / 20

                         = 1/2

hence 1/2 is the answer.

         

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Joseph Nichols
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