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"url": "https://numbas.mathcentre.ac.uk/api/questions/283/?format=api",
"name": "Sequences and Limits 1.3",
"published": true,
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"author": {
"url": "https://numbas.mathcentre.ac.uk/api/users/6/?format=api",
"profile": "https://numbas.mathcentre.ac.uk/accounts/profile/6/?format=api",
"full_name": "Bill Foster",
"pk": 6,
"avatar": null
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"metadata": {
"notes": "\n \t\t<p><strong>4/07/2012:</strong></p>\n \t\t<p>Checked calculations.</p>\n \t\t<p>Small changes to Advice display.</p>\n \t\t<p>Left inequalities as $\\lt$.</p>\n \t\t<p><strong>21/07/2012:</strong></p>\n \t\t<p>Added description.</p>\n \t\t<p>Added function chcop to create coprime pairs - better display of solution.</p>\n \t\t<p>Changed definition of variables a, b, c, d.</p>\n \t\t<p> <strong>27/7/2012:</strong></p>\n \t\t<p>Added tags.</p>\n \t\t<p>Question appears to be working correctly.</p>\n \t\t",
"description": "\n \t\t<p>$x_n=\\frac{an+b}{cn+d}$. Find the least integer $N$ such that $\\left|x_n -\\frac{a}{c}\\right| \\lt 10 ^{-r},\\;n\\geq N$, $2\\leq r \\leq 6$.</p>\n \t\t<p> </p>\n \t\t",
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