(19/y+2)-(7y/y^2-4)

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Solution for (19/y+2)-(7y/y^2-4) equation: 


D( y )

y = 0

y^2 = 0

y = 0

y = 0

y^2 = 0

y^2 = 0

1*y^2 = 0 // : 1

y^2 = 0

y = 0

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

19/y-((7*y)/(y^2))+2+4 = 0

19/y-7*y^-1+2+4 = 0

12*y^-1 = -6 // : 12

y^-1 = -1/2

-1 < 0

1/(y^1) = -1/2 // * y^1

1 = -1/2*y^1 // : -1/2

-2 = y^1

y = -2

y = -2

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