9/a-8

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Solution for 9/a-8 equation: 


D( a )

a = 0

a = 0

a = 0

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

9/a-8 = 0

9*a^-1 = 8 // : 9

a^-1 = 8/9

-1 < 0

1/(a^1) = 8/9 // * a^1

1 = 8/9*a^1 // : 8/9

9/8 = a^1

a = 9/8

a = 9/8

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