![](https://www.pdfsearch.io/img/b1b3c5f2ee4af2af8886a5d768f511af.jpg) Date: 2016-09-07 16:50:49
| | HomeworkProve that 15x2 − 7y 2 = 16 has no solutions in Z. 2. Prove that an integer of the form 8n + 7 cannot be written as a sum of three integer squares. 3. Show that if x2 = a is solvable modulo p then it is Add to Reading ListSource URL: www.math.nyu.eduDownload Document from Source Website File Size: 35,60 KBShare Document on Facebook
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