Question

If x=2-√3 find the value of x+1/x​

Answer 1

Answer:

$x=2−3⇒x1=2−31=2+3</p><p></p><p></p><p>(x2+x21)=(x+x1)2−2=(2−3+2+3)2−2=14</p><p></p><p></p><p>(x2−x21)=(x−x1)(x+x1)=(4×−23)=−83</p><p></p><p>$

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Answer 2

Answer:

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