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    • Question

      For a =–5 and b = 5, value of a² – b²

      is:
      A –10 Correct Answer Incorrect Answer
      C –50 Correct Answer Incorrect Answer
      D 100 Correct Answer Incorrect Answer

      Solution

      a = -5, b = 5 a² – b² =(a+b)(a-b) =(-5+5)(-10) =0 =0

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