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What is Pair of Straight Lines Explained about?

The document discusses pairs of straight lines, introducing that the joint equation of two lines u=0 and v=0 is uv=0. It provides an example of finding the joint equation of two lines, x+y=0 and 3x-y=0, which is (x+y)(3x-y)=0 or 3x^2 - 2xy - y^2 = 0. The document notes that a homogeneous quadratic equation always represents a pair of straight lines passing through the origin.

Author

Mugdho

Language

EN