At any point of a curve \( \sqrt{\frac{\text { Subnormal }}{\text { Subtangent }}}= \) (a) The a...

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At any point of a curve \( \sqrt{\frac{\text { Subnormal }}{\text { Subtangent }}}= \)
(a) The abscissa of that point
(b) The ordinate of that point
(c) Slope of the tangent at that point
(d) Slope of the normal at that point
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