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Let the points A, B, C and D are represented by complex numbers `Z_(1), Z_(2),Z_(3) and Z_(4)` respectively, If A, B and C are not collinear and `2Z_(1)+Z_(2)+Z_(3)-4Z_(4)=0`, then the value of `("Area of "DeltaDBC)/("Area of "DeltaABC)` is equal to

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