3r^-4/9r^-6

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Solution for 3r^-4/9r^-6 equation: 


D( r )

r = 0

r = 0

r = 0

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

r^-6*((3*r^-4)/9) = 0

1/3*r^-10 = 0 // : 1/3

r^-10 = 0

r należy do O

r belongs to the empty set

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