-3/r=2/8

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Solution for -3/r=2/8 equation: 


D( r )

r = 0

r = 0

r = 0

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

-3/r = 2/8 // - 2/8

-3/r-(2/8) = 0

-3/r-1/4 = 0

-3*r^-1 = 1/4 // : -3

r^-1 = -1/12

-1 < 0

1/(r^1) = -1/12 // * r^1

1 = -1/12*r^1 // : -1/12

-12 = r^1

r = -12

r = -12

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