Home
Class 14
MATHS
If a + b = 5 and ab = 3, then (a^3+b^3) ...

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 ?

A

70

B

75

C

80

D

65

Text Solution

Verified by Experts

The correct Answer is:
C
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) = 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 = 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 = 5 and ab = 3, then (a^3+b^3) is equal to: यदि a + b = 5 और ab = 3, है, तो (a^3+b^3) का मान ज्ञात करें |

If a - b = 5 and ab = 2 , then (a^3-b^3) is equal to: यदि a - b = 5 और ab = 2 है, तो (a^3-b^3) किसके बराबर है?

If (a - b) = 4 and ab = 2, then (a^3-b^3) is equal to: यदि (a - b) = 4 और ab = 2 है, तो (a^3-b^3) का मान ज्ञात करें |

If (a+ b) = 8 cm and ab =32/3 , then a^3+b^3 is equal to: यदि (a+ b) = 8सेमी है और ab =32/3 है, तो a^3+b^3 का मान किसके बराबर है ?

If (a+ b) = 6 cm and ab =16/3 , then a^3+b^3 is equal to: यदि (a+ b) = 6 सेमी है और ab =16/3 है, तो a^3+b^3 का मान किसके बराबर होगा?

If a + b = 11 and ab = 15, then a^2+b^2 is equal to : यदि a+b = 11 और ab = 15 है, तो a^2+b^2 का मान किसके बराबर है ?

If a + b = 8 and ab = 12, then the value of a^3+b^3 is: यदि a + b = 8 और ab = 12 है, तो a^3+b^3 का मान है:

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

MOTHERS-ALGEBRA -MULTIPLE CHOICE QUESTION
  1. If sqrtx+1/sqrtx= sqrt 6, then x^2+1/x^2 is equal to: यदि sqrtx+1/s...

    Text Solution

    |

  2. If a + b + c = 8 and ab + bc + ca = 12, then a^3+b^3+c^3-3abc is equal...

    Text Solution

    |

  3. If a + b = 5 and ab = 3, then (a^3+b^3) is equal to: यदि a + b = 5 ह...

    Text Solution

    |

  4. If a + b + c = 6 and ab + bc + ca = 4 , then a^3+b^3+c^3-3abc is equal...

    Text Solution

    |

  5. If (a+ b) = 6 cm and ab =16/3, then a^3+b^3 is equal to: यदि (a+ b) ...

    Text Solution

    |

  6. If sqrt(x) - (1)/(sqrt(x)) = sqrt(6), then x^(2) + (1)/(x^(2)) is equa...

    Text Solution

    |

  7. If a + b = 8 and ab = (32)/(3), then (a^(3) + b^(3)) is equal to :

    Text Solution

    |

  8. If sqrt(x) + (1)/(sqrt(x)) = sqrt(7), then x^(3) + (1)/(x^(3)) is equa...

    Text Solution

    |

  9. If a + b+c = 4 and ab + bc + ca = 2, then a^(3) + b^(3) + c^(3) - 3abc...

    Text Solution

    |

  10. If (a + b) = 6 and ab = 8, then (a^3+b^3) is equal to: यदि a + b) = ...

    Text Solution

    |

  11. If a + b + c = 6 and ab + bc + ca = 5, then a^3+b^3+c^3-3abc is equal ...

    Text Solution

    |

  12. If sqrt(x) + (1)/(sqrt(x)) = 2sqrt(2), then x^(2) + (1)/(x^(2)) is equ...

    Text Solution

    |

  13. If sqrt(x) - (1)/(sqrt(x)) = 2sqrt(2), then x^(2) + (1)/(x^(2)) is equ...

    Text Solution

    |

  14. If a+b+c = 6 and a^(3) + b^(3) + c^(3) - 3abc = 126, then ab + bc + ca...

    Text Solution

    |

  15. If a + b = 5 and ab = 3, then (a^3+b^3) is equal to: यदि a + b = 5 ह...

    Text Solution

    |

  16. If a + b + c = 7 and ab +bc + ca = 1, then a^(3) + b^(3) + c^(3) - 3ab...

    Text Solution

    |

  17. If a - b = 5 and ab = 2 , then (a^3-b^3) is equal to: यदि a - b = 5 ...

    Text Solution

    |

  18. If sqrt(x) - (1)/(sqrt(x)) = 3sqrt(2), then x^(2) + (1)/(x^(2)) is equ...

    Text Solution

    |

  19. If (a - b) = 4 and ab = 2, then (a^3-b^3) is equal to: यदि (a - b) =...

    Text Solution

    |

  20. If sqrt(x) - (1)/(sqrt(x)) = sqrt(5) then x^(2) + (1)/(x^(2)) is equal...

    Text Solution

    |