Given a(1),a(2),......,a(12) are in G.P....

Given `a_(1),a_(2),......,a_(12)` are in G.P. If `a_(4)*a_(9)=2019` then value of `(a_(2)a_(11)+a_(3)a_(10)+a_(5)a_(8)+a_(6)a_(7))/(a_(4)a_(9))` is equal to

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