16x^(-1/2)=8

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Solution for 16x^(-1/2)=8 equation: 


D( x )

x < 0

x = 0

x < 0

x = 0

x = 0

x in (0:+oo)

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

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

16*x^(-1/2) = 8 // : 16

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

-1/2 < 0

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

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

2 = x^(1/2)

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

x = 4

x = 4

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