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The condition for the lines represented by the equation x^2 + y^2 - 4x - 6y + 9 = 0 to be coincident is:

Practice Questions

1 question
Q1
The condition for the lines represented by the equation x^2 + y^2 - 4x - 6y + 9 = 0 to be coincident is:
  1. Discriminant = 0
  2. Discriminant > 0
  3. Discriminant < 0
  4. None of the above

Questions & Step-by-step Solutions

1 item
Q
Q: The condition for the lines represented by the equation x^2 + y^2 - 4x - 6y + 9 = 0 to be coincident is:
Solution: For the lines to be coincident, the discriminant of the quadratic must equal zero.
Steps: 0

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