x^-1/2=7

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Solution for x^-1/2=7 equation: 


D( x )

x = 0

x = 0

x = 0

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

(x^-1)/2 = 7 // - 7

(x^-1)/2-7 = 0

1/2*x^-1 = 7 // : 1/2

x^-1 = 14

-1 < 0

1/(x^1) = 14 // * x^1

1 = 14*x^1 // : 14

1/14 = x^1

x = 1/14

x = 1/14

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