Home
Class 14
MATHS
If x+1/x= 8, then find the value of (5x)...

If `x+1/x= 8`, then find the value of `(5x)/(x^2+1-6x)`
यदि `x+1/x= 8` है, तो `(5x)/(x^2+1-6x)` का मान ज्ञात कीजिए ।

A

2.5

B

6

C

5

D

6.5

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • 2018 Main Exam 2nd Shift

    PINNACLE|Exercise EXERCISE|280 Videos
  • AVERAGE

    PINNACLE|Exercise EXERCISE|164 Videos

Similar Questions

Explore conceptually related problems

If x^2+1= 3x , then the value of (x^4+x^-2)/(x^2+5x+1) is यदि x^2+1= 3x है, तो (x^4+x^-2)/(x^2+5x+1) का मान ज्ञात करें |

If 3x^2-5x+1=0 , then the value of (x^2+ 1/(9x^2)) is : यदि 3x^2-5x+1=0 , तो (x^2+ 1/(9x^2)) का मान ज्ञात कीजिए ।

If x=2+sqrt3 then find the valule of x^4-8x^3+16x^2 is: यदि x=2+sqrt3 है, तो x^4-8x^3+16x^2 का मान ज्ञात कीजिए ।

If 5x +1/(3x)=4 , then what is the value of 9x^2+1/(25x^2) ? यदि 5x +1/(3x)=4 है, तो 9x^2+1/(25x^2) का मान क्या होगा ?

If x = 1 + sqrt2 , then find the value of sqrtx+(1/sqrtx) . यदि x = 1 + sqrt2 , है, तो sqrtx+(1/sqrtx) का मान ज्ञात कीजिए ?

If x-1/x=13 , then the value of x^2+1/x^2 is: यदि x-1/x=13 है, तो x^2+1/x^2 का मान:

If x+1/x=2 , then the value of x^99+1/x^99 is- यदि x+1/x=2 है, तो x^99+1/x^99 का मान होगा?

If 2x + y = 6 and xy = 4, then find the value of 8x^3+y^3 is: यदि 2x + y = 6 तथा xy = 4 है, तो 8x^3+y^3 का मान ज्ञात कीजिए।

If 30x^2-15x+1=0 , then what is the value of 25x^2+(36x^2)^-1 ? यदि 30x^2-15x+1=0 है, तो 25x^2+(36x^2)^-1 का मान ज्ञात करें |

PINNACLE-ALGEBRA-EXERCISE
  1. The value of 5 sqrt3+7 sqrt2- sqrt6-23/(sqrt2 +sqrt3+ sqrt6) is:- 5...

    Text Solution

    |

  2. If x = 255, y = 256, z = 257, then find the value of x^3+y^3+z^3-3xyz....

    Text Solution

    |

  3. If x+1/x= 8, then find the value of (5x)/(x^2+1-6x) यदि x+1/x= 8 है,...

    Text Solution

    |

  4. If a + b = 27 and a^3+b^3=5427, then find ab. यदि a + b = 27 तथा a^...

    Text Solution

    |

  5. Find the value of x in root(3)(15625)- sqrtx =4 root(3)(15625)- sqrt...

    Text Solution

    |

  6. If a and b are two positive real numbers such that a + b = 20 and ab =...

    Text Solution

    |

  7. The sum of two numbers is 47 and their product is 550. Find the sum of...

    Text Solution

    |

  8. If x=2+sqrt3 then find the valule of x^4-8x^3+16x^2 is: यदि x=2+sqr...

    Text Solution

    |

  9. If 2a + 3b = 8 and ab = 5, then find the value of 4a^2+9b^2. यदि 2a ...

    Text Solution

    |

  10. If x + y = 15 and xy = 14, then the value of x - y is: यदि + y = 15 ...

    Text Solution

    |

  11. If a = 355, b = 356, c = 357, then find the value of a^3+b^3+c^3-3abc....

    Text Solution

    |

  12. If x+1/x= 4, then x^4+1/x^4 is equal to : यदि x+1/x= 4 है, तो x^4+1...

    Text Solution

    |

  13. If a + b = 8 and ab = 12, then the value of a^3+b^3 is: यदि a + b =...

    Text Solution

    |

  14. If a and b are two positive real numbers such that 4a^2 + b^2 = 20 and...

    Text Solution

    |

  15. If ‘a’ is a natural number, then (7a^2+7a) is always divisible by: अ...

    Text Solution

    |

  16. If a : b = 3 :sqrt5, then the value of (2a + b) : (3a - 2b) is: यदि...

    Text Solution

    |

  17. If x + y = 4 and x^3+y^3=12, then the value of x^4+y^4=? यदि x + y =...

    Text Solution

    |

  18. If x-y = 13 and xy = 25, then the value of x^2-y^2=? यदि x-y = 13 और...

    Text Solution

    |

  19. If x-1/x= 8, then x^4+1/x^4 is equal to : यदि x-1/x= 8 है, तो x^4+...

    Text Solution

    |

  20. If a + 3b = 12 and ab = 9, then the value of (a - 3b) is: यदि a + 3b...

    Text Solution

    |