Grade 12Analytical Geometry
If (a-b),(b-c),(c-a) are in A.P then the straight line (a-b)x+(b-c)y+(c-a)=0 will pass through
If (a-b),(b-c),(c-a) are in A.P then the straight line (a-b)x+(b-c)y+(c-a)=0 will pass through
1 Answer
SAGAR SINGH - IIT DELHI
Dear student,
2b-2c=a-b+c-a
3b=3c
b=c
So it becomes (a-b)(x-1)=0
Hence x=1
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Sagar Singh
B.Tech, IIT Delhi
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