72/u=8

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Solution for 72/u=8 equation: 


D( u )

u = 0

u = 0

u = 0

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

72/u = 8 // - 8

72/u-8 = 0

72*u^-1 = 8 // : 72

u^-1 = 1/9

-1 < 0

1/(u^1) = 1/9 // * u^1

1 = 1/9*u^1 // : 1/9

9 = u^1

u = 9

u = 9

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