How many lines are tangent to both of the parabolas y = 1 x 2 and
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How many lines are tangent to both of the parabolas y = –1 – x2 and y = 1 + x2? Find the coordinates of the points at which these tangents touch the parabolas.
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To gain insight into this problem it is essential to draw a diagram So we sketch the parabolas y 1 x ...View the full answer
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