Math, asked by Anonymous, 9 months ago

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If, a =2+√3
than, a + 1/a = ?​

Answers

Answered by inamul7
8

Answer:

Given,

a= 2+3

than

a+ 1/a

2 +  \sqrt{3}  +  \frac{1}{2 +  \sqrt{3} }

Now,

multiply

 \frac{2 -  \sqrt{3} }{2 -  \sqrt{3} }

therefore,

2 +  \sqrt{3}  +  \frac{1}{2 +  \sqrt{3} }  \times  \frac{2 -  \sqrt{3} }{2 -  \sqrt{3} }

2 +  \sqrt{3}  +  \frac{2 -  \sqrt{3} }{2 ^{2} -  \sqrt{3 }^{2}   }

2 +  \sqrt{3}  +  \frac{2 -  \sqrt{3} }{4 - 3}

2 +  \sqrt{3}  + 2 -  \sqrt{3}

= 4

therefore 4 is answer

Step-by-step explanation:

hope it helps yrr

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