Question: (3.3) A circle with centre Chas equation x' + yz + 8x- dy + 7=0, as shown in the diagram. The circle meets the x-axis

(3.3) A circle with centre Chas equation x' + yz + 8x- dy + 7=0, as shown in the diagram. The circle meets the x-axis at A and B. (i) Find . the coordinates of C. . the radius of the circle. 131 (ii) Find the coordinates of the points A and . 121 The chord DE passes through the point (-, 3) and is perpendicular to OC, where O is the origin. (iii) Find the coordinates of the points D and E. 171 (iv) Hence find the area of the quadrilateral BEAD. 121

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