6/r3-2

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Solution for 6/r3-2 equation: 


D( r )

r^3 = 0

r^3 = 0

r^3 = 0

1*r^3 = 0 // : 1

r^3 = 0

r = 0

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

6/(r^3)-2 = 0

6*r^-3 = 2 // : 6

r^-3 = 1/3

-3 < 0

1/(r^3) = 1/3 // * r^3

1 = 1/3*r^3 // : 1/3

3 = r^3

r^3 = 3 // ^ 1/3

r = 3^(1/3)

r = 3^(1/3)

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