You are told that 1331 is a perfect cube. Can you guess without factorization what is its cube root?
Similarly, guess the cube roots of 4913, 12167, 32768 ( And give me pic of Method)
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Similarly, guess the cube roots of 4913, 12167, 32768. ... ∴ We get 1 as unit digit of the cube root of 1331.
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Similarly, guess the cube roots of 4913, 12167, 32768 : we get 1 as unit digit of the cube root of 1331.
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