x^-1/2=-2/5

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Solution for x^-1/2=-2/5 equation: 


D( x )

x = 0

x = 0

x = 0

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

(x^-1)/2 = -2/5 // + -2/5

(x^-1)/2-(-2/5) = 0

(x^-1)/2+2/5 = 0

1/2*x^-1 = -2/5 // : 1/2

x^-1 = -4/5

-1 < 0

1/(x^1) = -4/5 // * x^1

1 = -4/5*x^1 // : -4/5

-5/4 = x^1

x = -5/4

x = -5/4

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