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If 4x=sqrt(5)+2, then the value of (x-(1...

If `4x=sqrt(5)+2`, then the value of `(x-(1)/(16x))` is

A

1

B

`-1`

C

4

D

`2sqrt(5)`

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The correct Answer is:
A
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KIRAN PUBLICATION-POWER, INDICES AND SURDS-Type -VII
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  3. If 4x=sqrt(5)+2, then the value of (x-(1)/(16x)) is

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  4. What is x, if x^(3)=1.5^(3)-0.9^(3)-2.43

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  5. If ((1)/(5))^(3y)=0.008, then the value of (0.25)^(y) is

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  6. If x=1+sqrt(2)+sqrt(3), then find the value of x^(2)-2x+4.

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

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  8. (1)/(sqrt(a))-(1)/(sqrt(b))=0, then the value of (1)/(a)+(1)/(b) is

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  9. If x=(0.25)^((1)/(2)), y=(0.4)^(2), z=(0.216)^((1)/(3)), then

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  10. If a+(1)/(a)=2, then the value of (a^(5)+(1)/(a^(5))) will be

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  11. If x=2+sqrt(3), then the value of (x^(2)-x+1)/(x^(2)+x+1) is :

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  12. If 3a=4b=6c and a+b+c=27sqrt(29) then sqrt(a^(2)+b^(2)+c^(2)) is equal...

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  13. If (sqrt(3)+1)^(2)=x+sqrt(3)y, then the value of (x+y) is

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  14. If p=9, q=sqrt(17) then the value of (p^(2)-q^(2))^((-1)/(3)) is equal...

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  15. If sqrt(1+(x)/(144))=(13)/(12), then x equals to

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  16. If a=sqrt(2)+1 and b=sqrt(2)-1, then the value of (1)/(a+1)+(1)/(b+1) ...

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  17. If x=(1)/((sqrt(2)+1)) then the value of (x^(2)+2x-1) is

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  18. If x+(1)/(x)=sqrt(13), then (3x)/((x^(2)-1)) equals to

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  19. If x+sqrt(5)=5+sqrt(y) and x,y are positive integers , then the value ...

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  20. If c+(1)/(c )=sqrt(3), then the value of c^(3)+(1)/(c^(3)) is equal to

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