2=x^(-1/2)

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


D( x )

x < 0

x = 0

x < 0

x = 0

x = 0

x in (0:+oo)

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

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

-1*x^(-1/2) = -2 // : -1

x^(-1/2) = 2

-1/2 < 0

1/(x^(1/2)) = 2 // * x^(1/2)

1 = 2*x^(1/2) // : 2

1/2 = x^(1/2)

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

x = 1/4

x = 1/4

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