X^2-11/x-4

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Solution for X^2-11/x-4 equation: 


D( x )

x = 0

x = 0

x = 0

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

X^2-(11/x)-4 = 0

X^2-11*x^-1-4 = 0

-11*x^-1 = -(X^2-4) // : -11

x^-1 = (4-X^2)/(-11)

-1 < 0

1/(x^1) = (4-X^2)/(-11) // * x^1

1 = x^1*((4-X^2)/(-11)) // : (4-X^2)/(-11)

-11*(4-X^2)^-1 = x^1

x = -11*(4-X^2)^-1

x = -11*(4-X^2)^-1

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