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1. সমীকরণমালা __ x+2y -z=5 2x + 3y +z = 11 3x - y + 3z= 7 - এর জন্য __

  • A. x=2, y =-2 z=1
  • B. x=2, y =-2 z=1
  • C. x=2, y =-2 z=1
  • D. x=2, y =-2 z=1

Answer: Option B

Explanation:

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