r/r^-1r^-9

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Solution for r/r^-1r^-9 equation: 


D( r )

r = 0

r^-1 = 0

r = 0

r = 0

r^-1 = 0

r^-1 = 0

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

r^-1 = 0

r należy do O

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

r^-9*(r/(r^-1)) = 0

1*r^-7 = 0 // : 1

r^-7 = 0

r należy do O

r belongs to the empty set

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