r/r^-5*r^-4

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Solution for r/r^-5*r^-4 equation: 


D( r )

r = 0

r^-5 = 0

r = 0

r = 0

r^-5 = 0

r^-5 = 0

1*r^-5 = 0 // : 1

r^-5 = 0

r należy do O

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

r^-4*(r/(r^-5)) = 0

1*r^2 = 0 // : 1

r^2 = 0

r = 0

r in { 0} 

r belongs to the empty set

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