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Let N be the normal on y2=4x at S(1,2). A circle is inscribed on SP as diameter, where P is the focus of y2=4x. If the length of the intercept made by the circle on N is k, then the value of k4 is

Answer» Let N be the normal on y2=4x at S(1,2). A circle is inscribed on SP as diameter, where P is the focus of y2=4x. If the length of the intercept made by the circle on N is k, then the value of k4 is


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