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what is delta in conditions for pair of lines?

what is delta in conditions for pair of lines?

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4 Answers

noogler
489 Points
8 years ago
delta=abc+2fgh-af2-bg2-ch2=0 ย  ย for pair f st.lines
delta is not zero for parabola,hyperbola,circle,ellipse
ng29
1698 Points
8 years ago
delta=0
h2-ab>0 ย  pair of intersecting at lines
h2-ab
ย 
delta is not eq to 0
a=b , h=0 ย circle
h2=ab ย  parabola
h2-ab
h2-ab>0 ย hyperbola
ย 
approve if useful
noogler
489 Points
8 years ago
@ng29 plz check ur ans again
u left some points incompleted..................
ng29
1698 Points
8 years ago
oh really
tell me which are those points that are left????????????????????????????????????/

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