(1/y-7)-(1/y-9)

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Solution for (1/y-7)-(1/y-9) equation: 


D( y )

y = 0

y = 0

y = 0

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

1/y-(1/y)-7+9 = 0

1/y-y^-1-7+9 = 0

2 = 0

y belongs to the empty set

y belongs to the empty set

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