3x^(-1/2)=8

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Solution for 3x^(-1/2)=8 equation: 


D( x )

x < 0

x = 0

x < 0

x = 0

x = 0

x in (0:+oo)

3*x^(-1/2) = 8 // - 8

3*x^(-1/2)-8 = 0

3*x^(-1/2) = 8 // : 3

x^(-1/2) = 8/3

-1/2 < 0

1/(x^(1/2)) = 8/3 // * x^(1/2)

1 = 8/3*x^(1/2) // : 8/3

3/8 = x^(1/2)

x^(1/2) = 3/8 // ^ 2

x = 9/64

x = 9/64

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