Find the condition for the equation f (x, y, z) =ax ^2 +by^2 +cz ^2 +2fyz +2gzx +2hxy +2ux +2vy +2wz +d=0 to represent a cone
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In this chapter, we study only quadratic cones; i.e. cones having its
equation of second degree in x, y and z.
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