Home
Class 14
MATHS
If a=sqrt8-sqrt7 and a=1/b, then (a^2+b^...

If `a=sqrt8-sqrt7` and `a=1/b`, then `(a^2+b^2-3ab)/(a^2+ab+b^2)` is equal to
यदि `a=sqrt8-sqrt7` और `a=1/b` है, तो `(a^2+b^2-3ab)/(a^2+ab+b^2)` का मान क्या होगा ?

A

`(27)/(31)`

B

`(27)/(32)`

C

`(29)/(33)`

D

`(29)/(31)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALGEBRA

    MOTHERS|Exercise MULTIPLE CHOICE QUESTION|194 Videos

  • AGE

    MOTHERS|Exercise MULTIPLE CHOICE QUESTION|30 Videos

  • CO-ORDINATE GEOMATRY

    MOTHERS|Exercise OBJECTIVE QUESTION|72 Videos

Similar Questions

Explore conceptually related problems

If a - b = 5 and ab = 6, then (a^3-b^3) is equal to: यदि a - b = 5 और ab = 6 है, तो (a^3-b^3) का मान क्या होगा ?

If a: b=3: 2 then (5a+ 2b): (3a + 4b) is equal to: यदि a: b=3: 2 है, तो (5a+ 2b): (3a + 4b) का मान क्या होगा ?

If a^3-b^3=208 and a-b=8, then (a+b)^2 -ab is equal to: यदि a^3-b^3=208 तथा a-b= 8, तो (a+b)^2 -ab का मान क्या होगा ?

If (a + b) = 6 and ab = 8, then (a^3+b^3) is equal to: यदि a + b) = 6 है और ab = 8 है, तो (a^3+b^3) का मान क्या होगा ?

If a : b = 4 : 5, then (2a + 3b) : (3a + 2b) is equal to : यदि a : b = 4 : 5 है, तो (2a + 3b) : (3a + 2b) का मान क्या होगा ?

If a^3-b^3=899 and a-b=31, then (a-b)^2 +3ab is equal to: यदि a^3-b^3=899 तथा a-b=31, तो (a-b)^2 +3ab का मान क्या होगा ?

If a + b = 5 and ab = 3, then (a^3+b^3) is equal to: यदि a + b = 5 है और ab = 3 है, तो (a^3+b^3) का मान क्या होगा ?

If a^3+b^3=432 and a+b=12, then (a+b)^2 -3ab is equal to: यदि a^3+b^3=432 तथा a+b=12, तो (a+b)^2 -3ab का मान क्या होगा ?

If a^3-b^3=899 and a -b = 31, then (a-b)^2+ 3ab is equal to: यदि a^3+b^3=899 और a -b = 31 है तो (a-b)^2+ 3ab का मान है:

If a^3-b^3=216 and a-b=6, then (a+b)^2 -ab is equal to: यदि a^3-b^3=216 तथा a-b=6, तो (a+b)^2 -ab का मान क्या होगा ?

MOTHERS-ALGEBRA -MULTIPLE CHOICE QUESTION
  1. If (a+b+4){ab+4(a+b)}-4ab = 0, a ne -4, b ne -4, then, {1/((a+b+4)^117...

    Text Solution

    |

  2. Given , a+1/a=2, what is the value of (a^118+1/a^117) ? यदि a+1/a=2 ...

    Text Solution

    |

  3. If a=sqrt8-sqrt7 and a=1/b, then (a^2+b^2-3ab)/(a^2+ab+b^2) is equal t...

    Text Solution

    |

  4. Given that x,y,z are positive real numbers, if (x+y)^2-z^2=8, (z+y)^2-...

    Text Solution

    |

  5. If a+b+c = 5 and ab+bc+ca = 4, then a^3+b^3+c^3-3abc is equal to : य...

    Text Solution

    |

  6. If a^(3) - b^(3) = 208 and a - b = 4 then (a + b)^(2) - ab is equ...

    Text Solution

    |

  7. If x + (1)/( x) = 5 then x^(3) + (1)/( x^(3)) is equal to

    Text Solution

    |

  8. If (x-5)^3+(x-6)^3+(x-7)^3= 3 (x - 5) (x - 6) (x - 7), then what is th...

    Text Solution

    |

  9. If (2x+3)^3+(x-8)^3+(x+13)^3= (2x +3)(3x -24)(x +13) , then what is th...

    Text Solution

    |

  10. If a^(3) + b^(3) = 5824 and a+b = 28 then (a-b)^(2) + ab is equal to :

    Text Solution

    |

  11. If x - (1)/(x) = 6, then x^(3) - (1)/(x^(3)) is equal to :

    Text Solution

    |

  12. If a^3-b^3=1603 and (a-b)=7, then (a+b)^2 -ab is equal to: यदिa^3-b^...

    Text Solution

    |

  13. If (x+4)^3+(2x+1)^3+(2x+5)^3= (3x +12) (2x +1)(2x +5) , then what is t...

    Text Solution

    |

  14. If x + (1)/( x) = 8 , then x^(2) + (1)/( x^(2)) is equal to :

    Text Solution

    |

  15. If x + (1)/(x) = 7, then x^(3) + (1)/(x^(3)) is equal to :

    Text Solution

    |

  16. If a^3-b^3=3552 and (a-b)=6, then (a+b)^2-ab is equal to: यदि a^3-b...

    Text Solution

    |

  17. If (x-3)^3+(2x-5)^3+(x-4)^3=(3x -9) (2x -5) (x -4), then what is the v...

    Text Solution

    |

  18. If (2x-5)^3+(x+2)^3+(3x-9)^3= (2x- 5)(3x -9)(3x+ 6 ), then what is the...

    Text Solution

    |

  19. If x^2+1/x^2=11, then x-1/x is equal to : यदि x^2+1/x^2=11 है, तो x...

    Text Solution

    |

  20. If x - (1)/(x) = 4, then x^(3) - (1)/(x^(3)) is equal to -

    Text Solution

    |