(y^(-1)-(y+8)^(-1))/8

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Solution for (y^(-1)-(y+8)^(-1))/8 equation: 


D( y )

y = 0

y+8 = 0

y = 0

y = 0

y+8 = 0

y+8 = 0

y+8 = 0 // - 8

y = -8

y in (-oo:-8) U (-8:0) U (0:+oo)

(y^-1-(y+8)^-1)/8 = 0

(1/y-1/(y+8))/8 = 0

1/y-1/(y+8) = 0

(-1*y)/(y*(y+8))+(1*(y+8))/(y*(y+8)) = 0

1*(y+8)-1*y = 0

8 = 0

8/(y*(y+8)) = 0

8/(y*(y+8)) = 0 // * y*(y+8)

8 = 0

8/8 = 0

y belongs to the empty set

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