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If x equals 1 plus 3 a plus 6 a squared plus 10 a cubed plus midline horizontal ellipsis. to straight infinity terms, vertical line a vertical line less than 1 comma y equals 1 plus 4 a plus 10 a squared plus 20 a cubed plus midline horizontal ellipsis straight infinity terms, vertical line a vertical line less than 1, then x colon y

Maths-General

  1. 1 minus a colon 1
  2. 1 colon left parenthesis 1 minus a right parenthesis
  3. left parenthesis 1 plus a right parenthesis colon 1
  4. text  1:  end text left parenthesis 1 plus a right parenthesis

    Answer:The correct answer is: 1 minus a colon 1

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