the sum of 2 numbers is 40if the sum of the reciprocal is 2/5 find the number
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the sum of 2 numbers is 40if the sum of the reciprocal is 2/5 find the number
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Answer:
Step-by-step explanation:
let the no. are x and y
then x+y=40
and
1/x +1/y=2/5
x+y/xy=2/5
40/xy=2/5
xy=100
let the x and y are roots of a quadratic equation
then equation=x²-40x+100
=x=2.679,37.321