2x+1/x+1=7/4

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Solution for 2x+1/x+1=7/4 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

2*x+1/x+1 = 7/4 // - 7/4

2*x+1/x-(7/4)+1 = 0

2*x+1/x-7/4+1 = 0

2*x^1+1*x^-1-3/4*x^0 = 0

(2*x^2-3/4*x^1+1*x^0)/(x^1) = 0 // * x^2

x^1*(2*x^2-3/4*x^1+1*x^0) = 0

x^1

2*x^2+(-3/4)*x+1 = 0

2*x^2+(-3/4)*x+1 = 0

DELTA = (-3/4)^2-(1*2*4)

DELTA = -119/16

DELTA < 0

x in { } 

x belongs to the empty set

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