(5 - 2√6) ^3 + (5 + 2√6)^3
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"The symbol ^ or Caret means square or cube or any other exponent placed above a number.
Hence, (5 - 2√6) ^3 = (0.101) 3 = 0.00103
(5 + 2√6) ^3 = (9.899) 3 = 969.999
Therefore, (5 - 2√6) ^3 + (5 + 2√6) ^3 = 970.00003 = final answer is 970 (rounded figure).
"
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