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IF x=root3(sqrt2+1)-root3(sqrt2-1) then ...

IF `x=root3(sqrt2+1)-root3(sqrt2-1)` then `x^3+3x`=…………

A

1

B

2

C

3

D

4

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The correct Answer is:
B
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VGS PUBLICATION-BRILLIANT-REAL NUMBERS (MULTIPLE CHOICE QUESTION)-REAL NUMBERS (MULTIPLE CHOICE QUESTION)
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  5. ((p+1/q)^p.(p-1/q)^q)/((q+1/p)^p.(q-1/p)^q)=(p/q)^x then x=

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  10. IF a=5^(1//3)+5^(-1//3)andb=5^(1//3)-5^(-1//3) then (a^3-3a)/(b^3+3b)=...

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  11. IF a^x=b^y=c^z,b^2=ac then 1/x+1/z=

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