3 years ago

The sum of a number and its reciprocal is equal to 4 times the reciprocal. Find the number.

1 answer:

7 0

X + (1/x) = 4*(1/x)
(x^2 +1)/x = 4/x
x^2+1=4
x^2 = 3

x= 3^(1/2)

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