Ifx= 12−√3Prove that x²-4x+1=0

1.	Ifx= 12−√3Prove that x²-4x+1=0
Answer» <html><body><p><strong>Step-by-step explanation:</strong></p><p>7k2 + 12k + 4) + <a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a>. <a href="https://interviewquestions.tuteehub.com/tag/thus-2307358" style="font-weight:bold;" target="_blank" title="Click to know more about THUS">THUS</a>, if <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> has the form x = 7k + 3 or the form x = 7k + 4, then x2 − 2 is an integer <a href="https://interviewquestions.tuteehub.com/tag/multiple-1105557" style="font-weight:bold;" target="_blank" title="Click to know more about MULTIPLE">MULTIPLE</a> of 7 and so x2 ≡ 2 (mod 7).</p></body></html>

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