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Show that joint equation of pair of line passing through origin and each making an angle of alpha with the line x+y=0 is x^2+2sec2 alpha. xy+y^2=0

Show that joint equation of pair of line passing through origin and each making an angle of alpha with the line x+y=0 is x^2+2sec2 alpha. xy+y^2=0

Grade:12

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
6 years ago
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