7=2/u-8

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Solution for 7=2/u-8 equation: 


D( u )

u = 0

u = 0

u = 0

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

7 = 2/u-8 // - 2/u-8

7-(2/u)+8 = 0

7-2*u^-1+8 = 0

-2*u^-1 = -15 // : -2

u^-1 = 15/2

-1 < 0

1/(u^1) = 15/2 // * u^1

1 = 15/2*u^1 // : 15/2

2/15 = u^1

u = 2/15

u = 2/15

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