Three lines px + qy + r = 0, qx + ry + p = 0 and rx + py + q = 0 a | Filo
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Class 12

Math

Algebra

Determinants

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Three lines and are concurrent if

  1. none of these
Correct Answer: Option(b)(c)
Solution: These lines are concurrent when area formed from these lines is zero

Applying

Again applying
\

Hence, options A, B and C are correct.
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