Home
Class 9
MATHS
If x=sqrt6+sqrt5 then find x^2+1/x^2-2...

If `x=sqrt6+sqrt5` then find `x^2+1/x^2-2`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • QUADRILATERALS

    RD SHARMA ENGLISH|Exercise All Questions|250 Videos

  • STATISTICS

    RD SHARMA ENGLISH|Exercise All Questions|3 Videos

Similar Questions

Explore conceptually related problems

If x=5-2sqrt(6)," find : "x^(2)+1/x^(2)

If x= 2sqrt(3)+2sqrt(2) find : (1)/(x)

If x = 5-2sqrt(6) find : x^(2)+ (1)/(x^(2))

If x=2sqrt(3)+2sqrt(2) , find : (i) 1/x" (ii) "x+1/x" (iii) "(x+1/x)^(2)

If x=(1)/(sqrt(3)+sqrt(2)) . Then find (1)/(x) .

If x= 2sqrt(3)+2sqrt(2) find : (x+(1)/(x))^(2)

If x =(sqrt(5)-2)/(sqrt(5)+2) and y = (sqrt(5)+2)/(sqrt(5)-2) : find : x^(2)

If x= 5 - 2 sqrt6 , find the value of : x^(2) +(1)/(x^(2))

If x =(sqrt(5)-2)/(sqrt(5)+2) and y = (sqrt(5)+2)/(sqrt(5)-2) : find : x^(2)+ y^(2)+xy

If sqrt2 is a zero of p(x)=6x^3 +sqrt2x^2- 10x -4sqrt2 , find the remaining zeros

RD SHARMA ENGLISH-RATIONALISATION -All Questions
  1. The rationalisation factor of 2+sqrt(3) is (a)2-sqrt(3) (b) sqrt(...

    Text Solution

    |

  2. If x=sqrt(5)+\ 2, then x-1/x equals (a)2sqrt(5) (b) 4 (c) 2 (...

    Text Solution

    |

  3. If (sqrt(3)-\ 1)/(sqrt(3)+\ 1)=a-b\ sqrt(3) , then (a)a=2,\ b=1 (b)...

    Text Solution

    |

  4. the simplest rationalising factor of 3√500 (a)3√2 (b)3√5 (c)√3 (...

    Text Solution

    |

  5. The simplest rationalising factor of sqrt(3)+\ sqrt(5) is (a)sqrt(3)-...

    Text Solution

    |

  6. The simplest rationalising factor of 2sqrt(5)-sqrt(3) is (a)2sqrt(5)+...

    Text Solution

    |

  7. If x=2/(3+sqrt(7)) , then (x-3)^2= (a)1 (b) 3 (c) 6 (d) 7

    Text Solution

    |

  8. If x=7+4sqrt(3)\ \ a n d\ x y=1 , then 1/(x^2)+1/(y^2)=? (a) 64 ...

    Text Solution

    |

  9. If x+\ sqrt(15)=4, then x+1/x= (a)2 (b) 4 (c) 8 (d) 1

    Text Solution

    |

  10. If x=\ ^3sqrt(2+sqrt(3)) , then x^3+1/(x^3)= (a) 2 (b) 4 (c) 8 (d...

    Text Solution

    |

  11. If x=(sqrt(5)+\ sqrt(3))/(sqrt(5)-\ sqrt(3)) and y=(sqrt(5)-\ sqrt(3))...

    Text Solution

    |

  12. If x=(sqrt(3)-\ sqrt(2))/(sqrt(3)+sqrt(2)) and y=(sqrt(3)+\ sqrt(2))/(...

    Text Solution

    |

  13. The value of sqrt(3-2\ sqrt(2)) is (a)sqrt(2)-1 (b) sqrt(2)+1 ...

    Text Solution

    |

  14. The value of sqrt(5+2sqrt(6)) is (a)sqrt(3)-sqrt(2) (b) sqrt(3)+s...

    Text Solution

    |

  15. If sqrt(2)=1. 4142 , then sqrt((sqrt(2)-1)/(sqrt(2)+1)) is equal to (a...

    Text Solution

    |

  16. If sqrt(2)=1. 414 find the value of sqrt(3)\/ sqrt(6) upto three place...

    Text Solution

    |

  17. The positive square root of 7+sqrt(48)

    Text Solution

    |

  18. 1/(sqrt(9)-\ sqrt(8)) is equal to: (a)3+2sqrt(2) (b) 1/(3+2sqrt(2...

    Text Solution

    |

  19. The value of (sqrt(48)+\ sqrt(32))/(sqrt(27)+\ sqrt(18)) is (a)4/3 ...

    Text Solution

    |

  20. If x=sqrt6+sqrt5 then find x^2+1/x^2-2

    Text Solution

    |