perplexus.info :: Just Math : Minimum perimeter length (2)

Minimum perimeter length (2) (Posted on 2013-09-19)

The length of the three sides of a triangle are positive integers A, B and C, with A < B < C and satisfying:

  {3^A/10⁴}= {3^B/10⁴}= {3^C/10⁴}

where, {x}=x-[x] and, [x] denotes the greatest integer ≤ x

Determine the minimum perimeter length of the triangle.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: possible solution.

| Comment 2 of 4 |

(In reply to possible solution. by broll)

....Inspect the last 3 digits of 3^n...???

Why 3 digits and not 4 ?

Posted by Ady TZIDON on 2013-09-20 14:26:18

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