-9/4d+1=4/d+1

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Solution for -9/4d+1=4/d+1 equation: 


D( d )

d = 0

d = 0

d = 0

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

(-9/4)*d+1 = 4/d+1 // - 4/d+1

(-9/4)*d-(4/d)-1+1 = 0

(-9/4)*d-4*d^-1-1+1 = 0

-9/4*d^1-4*d^-1 = 0

(-9/4*d^2-4*d^0)/(d^1) = 0 // * d^2

d^1*(-9/4*d^2-4*d^0) = 0

d^1

(-9/4)*d^2-4 = 0

(-9/4)*d^2-4 = 0

DELTA = 0^2-(-4*4*(-9/4))

DELTA = -36

DELTA < 0

d in { } 

d belongs to the empty set

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