parabolic arch of span and rise , is given by The equation of a________________?

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parabolic arch of span and rise , is given by The equation of a________________?

A. y = h/l² × (1 – x )
B. y = 2h/l² × (1 – x)
C. y = 3h/l² × (1 – x)
D. y = 4h/l² × (1 – x)(Correct)