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1. In each expression below , N represents a negative integer . Which expression could have a negative value?

  • A. N(square)
  • B. N(square)
  • C. N(square)
  • D. N(square)

Answer: Option A

Explanation:

n = - 7 হলে n^2 = ( - 7)^2 = 49, 6 - ( - 7) = 13, - n = - ( - 7) = 7, 6 + ( - 7) = - 1

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