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Cubic Minimum (Posted on 2014-09-26) Difficulty: 3 of 5
S is the minimum positive integer whose cube root is of the form T + U, where T is a positive integer and U is a positive real number less than 0.00001.

Determine the value of S.

No Solution Yet Submitted by K Sengupta    
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No Subject | Comment 4 of 7 |

I saw my error ( missing zero)  and  corrected it immediately'

My starting point in both cases was sqrt (10^k/3)

s=T^3+1

S+1=(T+U)^3

3*T^2 = 1/U 

 TO GET T =SQRT(33333.333)

and to check int(T+1)

Edited on September 26, 2014, 2:06 pm
  Posted by Ady TZIDON on 2014-09-26 13:51:00

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