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If x+1/x=2 then x^2+1/x^2 is equal to...

If `x+1/x=2` then `x^2+1/x^2` is equal to

A

2

B

4

C

5

D

6

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A
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If x+1/x= 3 sqrt2 , then x^2+1/x^2 is equal to : यदि x+1/x= 3 sqrt2 है, तो x^2+1/x^2 का मान क्या होगा ?

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ARIHANT SSC-ELEMENTS OF ALGEBRA-INTRODUCTORY EXERCISE - 13.1
  1. If (x-1) is a factor of (x^(3)-m), then the value of m is :

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  2. If the polynomial f(x) is such that f(-3)=0, then a factor of f(x) is ...

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  3. If x+1/x=2 then x^2+1/x^2 is equal to

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

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  5. If (x+(1)/(x))=2sqrt3, then the value of (x^(3)-(1)/(x^(3))) is :

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  6. If (x+(1)/(x))=3, then the value of (x^(3)+(1)/(x^(3))) is equal to :

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  7. If (x+(1)/(x))=2, then the value of (x^(6)+(1)/(x^(6))) is :

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  8. If (x^(2)+(1)/(x^(2)))=6, then the value of (x+(1)/(x)) is :

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  9. if x^3-1/x^3=36 then find the value of x-1/x

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

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  11. If (x^(4)+(1)/(x^(4)))=34, then the value of (x-(1)/(x)) is :

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  12. If x^4+1/(x^4)=119 , find the value of x^3-1/(x^3)

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  13. If (3x-(2)/(x))=5, then the value of (9x^(2)-(4)/(x^(2))) is :

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  14. If m^(2)-4m+1=0, then the value of (m^(3)+(1)/(m^(3))) is :

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  15. If x+y=13 and xy = 40, then the value of (x^(2)+y^(2)) is :

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  16. If (x+y)=13 and xy=36, then the value of (x^(3)+y^(3)) is :

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  17. If (x+y)=13 and xy=36, then the value of (x^(3)+y^(3)) is :

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  18. If (x+y+z)=6 and (xy+yz+zx)=11, then the value of (x^(3)+y^(3)+z^(3)-3...

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  19. If x+y+z=0 then find the value of x^(3)+y^(3)+z^(3)

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  20. If a^(1//3)+b^(1//3)+c^(1//3)=0, then :

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