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CGP EDU Academic Team
Published on: August 13, 2026
If the lines 3x – 4y – 13 = 0, 8x – 11y – 33 = 0 and 2x – 3y + λ = 0 are concurent then find λ .
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Sol. The given lines are concurrent if 
= 0
⇒ 3(–11 λ – 99) + 4(8 λ + 66) – 13(–24 + 22) = 0 ⇒ λ = –7
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