Home
Class 14
MATHS
If x + y = 7 and xy = 10, then the value...

If x + y = 7 and xy = 10, then the value of `x^3+y^3` is:
यदि x + y = 7 तथा xy = 10 है, तो `x^3+y^3` का मान क्या होगा ?

A

`0.543 `

B

` 0.131`

C

`0.133 `

D

` 0.453`

Text Solution

Verified by Experts

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 - y = 4 and xy = 45, then the value of x^3-y^3 is : यदि x - y = 4 तथा xy = 45 है, तो x^3-y^3 का मान होगा :

If x+y=7 and xy=10, then the value of (1/x^3 + 1/y^3) is:

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 x - 2y = 3 and xy = 5, find the value of x^2-4y^2 . यदि x - 2y = 3 तथा xy = 5 है, तो x^2-4y^2 का मान क्या होगा ?

If x + y = 52 and x - y = 20, then find the value of x : y. यदि x + y = 52 तथा x - y = 20 है, तो x : y का मान कितना है?

If x + y = 1 and xy(xy - 2) = 12, then the value of x^4+y^4 is: यदि x + y = 1 और xy(xy - 2) = 12, है, तो x^4+y^4 का मान क्या होगा ?

If x + y = 15 and xy = 14, then the value of x - y is: यदि + y = 15 और xy = 14 है, तो x - y का मान है:

If x + y = 12 and xy = 27, x > y, then the value of (x^3-y^3) is: यदि x + y = 12 है और xy = 27 है, जहाँ x > y, तो (x^3-y^3) का मान क्या होगा ?

PINNACLE-ALGEBRA-EXERCISE
  1. If (3x-1)^3+(4x-3)^3+ (2x+1)^3= 3(3x - 1)(4x - 3)(2x +1) and x ne 1/3 ...

    Text Solution

    |

  2. If x-5 sqrtx-1=0, then x^2+1/x^2 is equal to : यदि x-5 sqrtx-1=0 ह...

    Text Solution

    |

  3. If x + y = 7 and xy = 10, then the value of x^3+y^3 is: यदि x + y = ...

    Text Solution

    |

  4. If a + b + c = 5 ,a^2+b^2+c^2=27 and a^3+b^3+c^3=125, then the value o...

    Text Solution

    |

  5. If x ne -1,2 and 5, then the simplified value of {(2(x^3-8))/(x^2-x-2)...

    Text Solution

    |

  6. If 5^(root(3)(x))+12^(root(3)(x))=13^(root(3)(x)), then the value of x...

    Text Solution

    |

  7. If x=2-sqrt3 then the value of x^3-x^-3 is: यदि x=2-sqrt3 है, तो x^3...

    Text Solution

    |

  8. The value of the expression 1/4 {(a+1/a)^2-(a-1/a)^2} is: व्यंजक 1...

    Text Solution

    |

  9. If (x + y) ^((1)/(3)) + (y + x) ^((1)/(3)) =- ( z + x ) ^((1)/(3)) , ...

    Text Solution

    |

  10. If (a+b+4){ab+4(a+b)}-4ab = 0, a ne -4, b ne -4, then, {1/((a+b+4)^117...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. If a^(1/3)+b^(1/3)+c^(1/3)=0, then (a+b+c)^6 is equal to : यदि a^(1/...

    Text Solution

    |

  14. If a+b-c = 12 and a^2+b^2+c^2=110, then which among the following rela...

    Text Solution

    |

  15. If roots of x^2- 4x + a = 0 are equal, then a = यदि x^2- 4x + a = 0...

    Text Solution

    |

  16. If a^3-b^3=216 and a-b=6, then (a+b)^2 -ab is equal to: यदि a^3-b^3...

    Text Solution

    |

  17. If a^3+b^3=432 and a+b=12, then (a+b)^2 -3ab is equal to: यदि a^3+b...

    Text Solution

    |

  18. If ab+bc+ca=8 and a+b+c=12 then (a^2+b^2+c^2) is equal to: यदि ab+b...

    Text Solution

    |

  19. If (27x^3-343y^3) div (3x-7y)=Ax^2+By^2 +7Cyx, then the value of (4A -...

    Text Solution

    |

  20. If a^2+b^2+c^2=21, and a + b + c = 7, then (ab + bc + ca) is equal to ...

    Text Solution

    |