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Let A (4, –4) and B(9, 6) be points on the parabola, y2 = 4x. Let C be chosen on the arc AOB of the parabola, where O is the origin, such that the area of DACB is maximum. Then, the area (in sq. units) of DACB, is :

(1) 31(3/4)

(2) 31(1/4)

(3) 30(1/2)

(4) 32

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The correct option (2) 31(1/4)   


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