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A beam is supported at its ends by supports which are 12 metres apart. Since the load is concentrated at its centre, there is a deflection of 3 cm at the centre and the deflected beam is in the shape of a parabola. How far from the centre is the deflection 1 cm?

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  18. Mutually perpendicular tangents T Aa n dT B are drawn to y^2=4a x . Th...

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