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<html><body><h2 id="content-id-5297638014-2"><b>Quadratic Equation Questions Overview</b></h2><p>Quadratic Equation Questions have a good weightage in the Ssc Cpo Exam and the type of question asked in Ssc Cpo exam is similar to the question mentioned below. It has been solved and explained by KD Live Experts under the guidance of Neetu Mam and they have tried to elaborate the concept used in Quadratic Equation Questions.</p><h2 id="content-id-0932481765-3"><b>Question On Quadratic Equation </b></h2>If x3 + y3 + z3 = 3(1 + xyz), P = y + z - x, Q = z + x - y and R = x + y - z, then what is the value of P3 + Q3 + R3 - 3PQR ?
<div class="row show--dificulty--bar" style="margin-top:8px;"><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex !important;border-right:0.1px solid #eee;"><h3 style="font-size:12px !important;">Difficulty : Moderate </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 37 Seconds </h3></div></div><h2 id="content-id-2487536901-4"><b> Quadratic Equation Questions Options</b></h2><ol><li><p><span style="font-size:14px">9</span></p>
</li><li><p><span style="font-size:14px">8</span></p>
</li><li><p><span style="font-size:14px">12</span></p>
</li><li><p><span style="font-size:14px">6</span></p>
</li></ol> <h2 id="content-id-7584920136-5"><b> Quadratic Equation Questions Solution</b></h2><p><span style="font-size:14px">The correct answer is <strong>option 3 </strong></span>i.e.<span style="font-size:14px"><strong> 12.</strong></span></p>

<p><span style="font-size:14px">Assume y = z = 0</span></p>

<p><span style="font-size:14px">then,</span></p>

<p><span style="font-size:14px">P = -x</span></p>

<p><span style="font-size:14px">Q = +x</span></p>

<p><span style="font-size:14px">R = +x</span></p>

<p><span style="font-size:14px">P<sup>3</sup> + Q<sup>3</sup> + R<sup>3</sup> - 3PQR = x<sup>3</sup> - 3(-x)<sup>3</sup></span></p>

<p><span style="font-size:14px">                                   = x<sup>3</sup> + 3(x)<sup>3</sup></span></p>

<p><span style="font-size:14px">                                   = 3 + 3(3)</span></p>

<p><span style="font-size:14px">                                   = 12</span></p>
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The correct answer is option 3 i.e. 12. - Quadratic Equation Questions are asked in Ssc Cpo exams and your question has been explained by experts like Neetu Mam.

 Quadratic Equation Questions Tips and Tricks

If x3 y3 z3 3 1 - Quadratic Equation Questions for Ssc Cpo

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