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If x=3+sqrt(8) , then x^2+1/(x^2) is equ...

If `x=3+sqrt(8)` , then `x^2+1/(x^2)` is equal to (a) 30 (b) 34 (c) 36 (d) 38

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RS AGGARWAL-SQUARE ROOTS AND CUBE ROOTS-All Questions
  1. [1/(sqrt(2)+sqrt(3)-sqrt(5))+1/(sqrt(2)-sqrt(3)-sqrt(5))] in simpli...

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  2. If x=(7-4sqrt(3)) , then the value of (x+1/x) is 3sqrt(3) (b) 8sqrt...

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  3. If x=3+sqrt(8) , then x^2+1/(x^2) is equal to (a) 30 (b) 34 (c) 36 (d)...

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  5. If a=(sqrt(5)+1)/(sqrt(5)-1) and b=(sqrt(5)-1)/(sqrt(5)+1) , the value...

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  6. If x=sqrt(1+sqrt(1+sqrt(1+sqrt(1+ .oo)))) , then the value of x is ...

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  7. sqrt(2+sqrt(2+sqrt(2+\ dot))) is equal to (a) 1 (b) 1.5 (c) 2 (d) 2.5

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  8. If a=sqrt(3+sqrt(3+sqrt(3+\ ddot))) , then which of the following i...

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