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1. If x<0 and y<0, then which of the following must be true?

  • A. x-y<0
  • B. x-y<0
  • C. x-y<0
  • D. x-y<0

Answer: Option C

Explanation:

Hints:

x<0 এবং y<0

xy > 0 [ ( - ) ( - ) = ( + ) ]


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