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You are told that 1,331 is a perfect cube. Can you guess without factorisation what is its cube root? Similarly, guess the cube roots of 4913, 12167, 32768. |
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Answer» 1) 1331 `10^3<1331<20^3` `1331=11^3` 2)4913 `10^3<4913<20^3` `4913=17^3` 3)12167 `20^3<12167<30^3` `12167=23^3`4)32768 `30^3<32768<40^3` `32768=32^3`. |
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