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Question
Find the cube rootsof the following number by successive subtraction of number:
1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331, 397, ... 64 .
Sum
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Solution
64
1
63
7
56
19
37
37
0
∵ Subtraction is performed 4 times.
∴ \[\sqrt[3]{64} = 4\]
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