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If x=3+sqrt(8) find the value of x^2 + 1...

If `x=3+sqrt(8)` find the value of `x^2 + 1/(x^2)`

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Knowledge Check

  • If x = (sqrt(3) + sqrt(2))/(sqrt(3) - sqrt(2)) , find the value of x^(2) + (1)/(x^(2)) .

    A
    38
    B
    98
    C
    62
    D
    47

  • If x = 3 + sqrt8 , find the value of x^(3) + (1)/(x^(3)) .

    A
    16
    B
    198
    C
    200
    D
    196

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    If x=1-sqrt(2), find the value of (x-(1)/(x))^(3)

    If x=2+sqrt(3), find the value of x+(1)/(x)

    If x=2-sqrt(3) then find the value of x^(2)+(1)/(x^(2))

    if x=2-sqrt(3), find the value of (x-(1)/(x))^(3)

    If x + 1/x = 8 and x - 1/x = -8 , then find the value of x^2 - 1/(x^2)

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