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      Question

      In Bash, which syntax is used for arithmetic

      expansion?
      A $(( expression )) Correct Answer Incorrect Answer
      B ${expression} Correct Answer Incorrect Answer
      C $(expression) Correct Answer Incorrect Answer
      D expr(expression) Correct Answer Incorrect Answer
      E [expression] Correct Answer Incorrect Answer

      Solution

      Arithmetic expansion in Bash uses double parentheses $(( )) to evaluate mathematical expressions and return numeric results.

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