8=-2/y

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Solution for 8=-2/y equation: 


D( y )

y = 0

y = 0

y = 0

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

8 = -2/y // + -2/y

8-(-2/y) = 0

2*y^-1+8 = 0

2*y^-1 = -8 // : 2

y^-1 = -4

-1 < 0

1/(y^1) = -4 // * y^1

1 = -4*y^1 // : -4

-1/4 = y^1

y = -1/4

y = -1/4

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