4a+12/a+3

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Solution for 4a+12/a+3 equation: 


D( a )

a = 0

a = 0

a = 0

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

4*a+12/a+3 = 0

4*a^1+12*a^-1+3*a^0 = 0

(4*a^2+3*a^1+12*a^0)/(a^1) = 0 // * a^2

a^1*(4*a^2+3*a^1+12*a^0) = 0

a^1

4*a^2+3*a+12 = 0

4*a^2+3*a+12 = 0

DELTA = 3^2-(4*4*12)

DELTA = -183

DELTA < 0

a in { } 

a belongs to the empty set

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