Math, asked by savitrikumarii121, 11 months ago

please solve it step by step it is urgent​

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Answered by Kartikempire
1

Answer:

34

Step-by-step explanation

if\ x = 3+\sqrt{8}\\ then,\\1/x = 1/3 + \sqrt{8} *3-\sqrt{8}/3-\sqrt{8}=3-\sqrt{8}\\(x+1/x)^2=x^2+1/x^2+2(x*1/x)\\=>(3+\sqrt{8}+3-\sqrt{8})^2=x^2+1/x^2+2\\=>(6)^2=x^2+1/x^2 +2\\=>36-2 = x^2+1/x^2\\=>34 =x^2+1/x^2

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Answered by 2ndiidoofTHOR940
0

Answer:

Hey mate here is your answer ⬇️

Refer to the attachment.

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