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যদি x+1/x=4 হয় তবে x/(x2-3x+1) এর মান কত?
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ANSWER : 1
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<p>Given that, <br>x + 1/x = 4<br>(x<sup>2</sup>+1)/x=4</p><p>x<sup>2</sup>+1=4x</p><p>Now, <br>x/(x<sup>2</sup> - 3x + 1)<br>= x/(x<sup>2</sup> + 1 - 3x)<br>= x/(4x - 3x)<br>= x/x<br>= 1</p>
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