8/9-3/k

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Solution for 8/9-3/k equation: 


D( k )

k = 0

k = 0

k = 0

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

8/9-(3/k) = 0

8/9-3*k^-1 = 0

-3*k^-1 = -8/9 // : -3

k^-1 = 8/27

-1 < 0

1/(k^1) = 8/27 // * k^1

1 = 8/27*k^1 // : 8/27

27/8 = k^1

k = 27/8

k = 27/8

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