sederhanakanlah 12 / 3√6+5

<p>Jawaban yang tepat adalah <strong>12/29 (3√6 - 5)</strong></p><p>&nbsp;</p><p>&nbsp;</p><p>Pembahasan :</p><p>12 / (3√6+5) = 12 / (3√6+5) x &nbsp;(3√6 - 5)/ (3√6 - 5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = [12(3√6 - 5)]/[(3√6 + 5)(3√6 - 5)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = [12(3√6 - 5)]/[54 - 15√6 + 15√6 - 25]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = [12(3√6 - 5)]/ [54 - 25]</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = [12(3√6 - 5)]/29</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 12/29 (3√6 - 5)</p>