6/2=9/a

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Solution for 6/2=9/a equation: 


D( a )

a = 0

a = 0

a = 0

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

6/2 = 9/a // - 9/a

6/2-(9/a) = 0

6/2-9*a^-1 = 0

-9*a^-1 = -3 // : -9

a^-1 = 1/3

-1 < 0

1/(a^1) = 1/3 // * a^1

1 = 1/3*a^1 // : 1/3

3 = a^1

a = 3

a = 3

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