Flag Algebra> please answer fast …... for the circle x^...
question mark

please answer fast …...
for the circle x^2+y^2-2x-4y-4=0 the lines 2x+3y-1=0 and 2x+y+5=0 are
a)perpedicuar tangents
b)conjugate
c)parallel tangents
d)perpendicular chord
please give required solution

Mrunal Sonawane , 6 Years ago
Grade 12
anser 1 Answers
Arun
Dear student
 
we can answer directly
 
m1 = – 2/3
m2 = – 2
 
hence not parallel lines , also not parallel chords or tangents
 
hence remaining option is conjugate. Hence option is correct
Last Activity: 6 Years ago
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