2a+5/a

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Solution for 2a+5/a equation: 


D( a )

a = 0

a = 0

a = 0

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

2*a+5/a = 0

2*a^1+5*a^-1 = 0

(2*a^2+5*a^0)/(a^1) = 0 // * a^2

a^1*(2*a^2+5*a^0) = 0

a^1

2*a^2+5 = 0

2*a^2+5 = 0

DELTA = 0^2-(2*4*5)

DELTA = -40

DELTA < 0

a in { } 

a belongs to the empty set

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