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1. 3x + 5 y =2 , 2x + 3y =0 , ax +by + 1 =0 সমবিন্দুগামী হলে a এবং b এর সম্পর্ক -

  • A. 4a -6b=1
  • B. 4a -6b=1
  • C. 4a -6b=1
  • D. 4a -6b=1

Answer: Option C

Explanation:

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