(a^2+5a+13)/(a+2)

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Solution for (a^2+5a+13)/(a+2) equation: 


D( a )

a+2 = 0

a+2 = 0

a+2 = 0

a+2 = 0 // - 2

a = -2

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

(a^2+5*a+13)/(a+2) = 0

a^2+5*a+13 = 0

a^2+5*a+13 = 0

DELTA = 5^2-(1*4*13)

DELTA = -27

DELTA < 0

1 = 0

1/(a+2) = 0

a belongs to the empty set

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