(1.5/r)=(12/r)

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Solution for (1.5/r)=(12/r) equation: 


D( r )

r = 0

r = 0

r = 0

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

1.5/r = 12/r // - 12/r

1.5/r-(12/r) = 0

1.5/r-12*r^-1 = 0

-10.5*r^-1 = 0 // : -10.5

r^-1 = 0

r naleu017Cy do O

r belongs to the empty set

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