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Qiuyun TMUA Simulation Test Paper 1 · Q12

Paper 1Geometry

By using the trapezium rule with 2 strips to evaluate the integral of a parabola from 0 to 2, we need to calculate the area of an equilateral triangle.

Which of the following parabolas satisfies this condition?

Ay=−3x2+23xy=-\sqrt3x^2+2\sqrt3x
By=−3x2+43xy=-\sqrt3x^2+4\sqrt3x
Cy=3x2−63xy=\sqrt3x^2-6\sqrt3x
Dy=x2+4xy=x^2+4x
Ey=x2−2xy=x^2-2x

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