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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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