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in Two Dimensional Analytical Geometry by (46.9k points)
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The area of the triangle formed by the lines x2 – 4y2 = 0 and x = a is …

(a) 2a2 

(b) (√3/2)a2 

(c) (1/2)a2

(d) (2/√3)a2

1 Answer

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by (49.1k points)
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Best answer

(c) (1/2)a2

x2 – 4y2 = 0 , (x – 2y) (x + 2y) = 0 ⇒ x – 2y = 0, x + 2y = 0

Area = (1/2) bh = (1/2) x a x a = a2/2

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