JEE Main Mathematics question
If represents a pair of lines, then is equal to
Answer: (B)
Solution
With , , , , , the condition ABC+2FGH-AF^2-BG^2-CH^2=0 becomes . . Option (B).
If represents a pair of lines, then is equal to
With , , , , , the condition ABC+2FGH-AF^2-BG^2-CH^2=0 becomes . . Option (B).