If the difference between a number and its reciprocal is24/5, find the number
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hey mate ,
let us assume the number as x
x - 1/x = 24/5
x^2 -1 / x = 24/5 ( taking x as LCM )
5(x^2-1) = 24x ( cross multipling )
5x^2 -5 = 24x
5x^2 -24x -5 = 0
5x^2 -25x + x -5 = 0. ( splitting method )
5x(x-5) +1(x-5) =0
(5x+1)(x-5) = 0
x= -1/5 or 5
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