Question
Which of the following statements is/are correct? (a) The sum 1³ + 2³ + 3³ + to ten terms, lies between 3020 and 3030 (b) If x is subtracted from the sum 1³ + 3³ + 5³ + ... to 10 terms, then it becomes a square. The least value of x is 17. (c) 11³ + 12³ + 13³ + ... + 20³ = 41075.
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