the sum of two numbers is 20,their product is 40 what will be the sum of their reciprocals
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Step-by-step explanation:
x+y=20-----1
xy=40.------2
sum of reciprocals=
=1/x+1/y
=y+x/xy. (after taking LCM)
=20/40-------(From 1 and 2)
=1/2..
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