MCQ
यदि दो तल $2 x-4 y+3 z=5$ एवं $x+2 y+\lambda z=12$ आपस में लंब हो तो $\lambda=$
  • A
    -2
  • 2
  • C
    3
  • D
    इनमें से कोई नहीं

Answer

Correct option: B.
2
(B)

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