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1.

x+y+3=0 রেখাটির ঢাল হবে-

  • A. -2
  • B. -2
  • C. -2
  • D. -2

Answer: Option B

Explanation:

 দেওয়া আছে, x+y+3=0 y=-x-3 এখন, y=-x-3  সমীকরণকে y=mx+c এর সাথে তুলনা করে পাই ঢাল,m=-1

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