(-2+3a)/(9a^2-4)

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Solution for (-2+3a)/(9a^2-4) equation: 


D( a )

9*a^2-4 = 0

9*a^2-4 = 0

9*a^2-4 = 0

9*a^2 = 4 // : 9

a^2 = 4/9

a^2 = 4/9 // ^ 1/2

abs(a) = 2/3

a = 2/3 or a = -2/3

a in (-oo:-2/3) U (-2/3:2/3) U (2/3:+oo)

(3*a-2)/(9*a^2-4) = 0

3*a-2 = 0 // + 2

3*a = 2 // : 3

a = 2/3

a in { 2/3} 

a belongs to the empty set

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