(1-2x)/x^2-49

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Solution for (1-2x)/x^2-49 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

(1-(2*x))/(x^2)-49 = 0

(1-2*x)/(x^2)-49 = 0

(1-2*x)/(x^2)+(-49*x^2)/(x^2) = 0

1-49*x^2-2*x = 0

1-49*x^2-2*x = 0

1-49*x^2-2*x = 0

DELTA = (-2)^2-(-49*1*4)

DELTA = 200

DELTA > 0

x = (200^(1/2)+2)/(-49*2) or x = (2-200^(1/2))/(-49*2)

x = (10*2^(1/2)+2)/(-98) or x = (2-10*2^(1/2))/(-98)

(x-((10*2^(1/2)+2)/(-98)))*(x-((2-10*2^(1/2))/(-98))) = 0

((x-((10*2^(1/2)+2)/(-98)))*(x-((2-10*2^(1/2))/(-98))))/(x^2) = 0

((x-((10*2^(1/2)+2)/(-98)))*(x-((2-10*2^(1/2))/(-98))))/(x^2) = 0 // * x^2

(x-((10*2^(1/2)+2)/(-98)))*(x-((2-10*2^(1/2))/(-98))) = 0

( x-((10*2^(1/2)+2)/(-98)) )

x-((10*2^(1/2)+2)/(-98)) = 0 // + (10*2^(1/2)+2)/(-98)

x = (10*2^(1/2)+2)/(-98)

( x-((2-10*2^(1/2))/(-98)) )

x-((2-10*2^(1/2))/(-98)) = 0 // + (2-10*2^(1/2))/(-98)

x = (2-10*2^(1/2))/(-98)

x in { (10*2^(1/2)+2)/(-98), (2-10*2^(1/2))/(-98) }

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