perplexus.info :: Just Math : Cubic Expression and Perfect Cube

Cubic Expression and Perfect Cube (Posted on 2015-10-04)

Each of x and y is a positive integer.
Can each of x^3+y and y^3+x be a perfect cube?.
Give reasons for your answer.

See The Solution Submitted by K Sengupta

Rating: 3.6667 (3 votes)

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

re: q.e.d. (spoiler)......bravo

Comment 2 of 2 |

(In reply to q.e.d. (spoiler) by Steve Herman)

Excellent reasoning!

Posted by Ady TZIDON on 2015-10-05 06:45:17

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