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Consider the parabola `y^2 = 8x.` Let `Delta_1` be the area of the triangle formed by the end points of its latus rectum and the point P(`1/2`,2) on the parabola and `Delta_2` be the area of the triangle formed by drawing tangents at P and at the end points of latus rectum. `Delta_1/Delta_2` is :A. 1B. 2C. 3D. 4 |
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Answer» Correct Answer - B We know that the area of the trangle formed by three points on a prabola is twice the area of the triangle formed by tangents at those points (see illustration 3 on page 24.15). `:." "Delta_(1)=2Delta_(2)rArrDelta_(1)/Delta_(2)=2` |
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