Question

if x = 3+2√2 then find the value of (x+1/x )^3​

Answer 1

Step-by-step explanation:

x=>3+2√2

1/x=>(3-2√2)/(3+2√2)(3-2√2)=>(3-2√2)/(9-8)

=>(3-2√2)

x+1/x=>3+2√2+(3-2√2)=6. Cubing on both sides we get

${(x + \frac{1}{x})}^{3} = {6}^3 = 216$

Hope it helps you.

Answer 2

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.•♫•♬•[ I hope it help you ❤️ ].•♫•♬•