Home
Class 14
MATHS
If a^2+4b^2+49c^2+18=2(2b + 28c-a), then...

If `a^2+4b^2+49c^2+18=2(2b + 28c-a)`, then the value of (3a + 2b + 7c) is:
यदि `a^2+4b^2+49c^2+18=2(2b + 28c-a)` है, तो (3a + 2b + 7c) का मान क्या होगा ?

A

0

B

2

C

1

D

3

Text Solution

Verified by Experts

The correct Answer is:
B
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 9a^2+4b^2+c^2+21= 4(3a + b - 2c) , then the value of (9a + 4b - c) is : यदि 9a^2+4b^2+c^2+21= 4(3a + b - 2c) , है, तो (9a + 4b - c) का मान क्या होगा ?

If a^(2) + b^(2) + c^(2) = 2(a-b-c)-3 , then the value of 4a - 3b + 5c is

If a^2 + b^2 + c^2 = 2(a -b -c)- 3 ,then the value of (a- b + c) is यदि a^2 + b^2 + c^2 = 2(a -b -c)- 3 तो (a- b + c) का मान है-

If a^2+b^2+64c^2+16c + 3=2 (a+b) , then the value of 4a^7+b^7+8c^2 is यदि a^2+b^2+64c^2+16c + 3=2 (a+b) है, तो 4a^7+b^7+8c^2 का मान क्या होगा ?

If a^2+b^2+c^2+84= 4(a-2b+4c) ,then the value of sqrt(ab-bc+ca) is : यदि a^2+b^2+c^2+84= 4(a-2b+4c) ,तो sqrt(ab-bc+ca) का मान क्या होगा ?

MOTHERS-ALGEBRA -MULTIPLE CHOICE QUESTION
  1. If 8x^2+y^2- 12x - 4xy + 9= 0 , then the value of (14x - 5y) is: यदि...

    Text Solution

    |

  2. If x + y + z = 19 , xyz = 216 and xy + yz + zx = 114, then the value o...

    Text Solution

    |

  3. If a^2+4b^2+49c^2+18=2(2b + 28c-a), then the value of (3a + 2b + 7c) i...

    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 3 sqrt3 x^3-2sqrt2 y^3=(sqrt3x- sqrt2y) (Ax^2-Bxy+Cy^2), then the v...

    Text Solution

    |

  6. If 24 sqrt3 x^3+2 sqrt2 y^3=(2 sqrt3x+ sqrt2 y)(Ax^2+Bxy+Cy^2), then t...

    Text Solution

    |

  7. If a+b+c = 4 and ab + bc + ca = 1, then the value of a^(3) + b^(3) + c...

    Text Solution

    |

  8. If a^3+b^3=110 and a+b=5, then (a+b)^2 -3ab is equal to: यदि a^3+b^...

    Text Solution

    |

  9. If a+b + c = 5 and a^(2) + b^(2) + c^(2) = 33, then what is the value ...

    Text Solution

    |

  10. If 40sqrt(5)x^(3) - 3sqrt(3)y^(3) = (2sqrt(5)x - sqrt(3)y) xx (Ax^(2) ...

    Text Solution

    |

  11. If x^(2) + 1 = 3x, then the value of ((x^(4) + x^(-2)))/((x^(2) + 5x+1...

    Text Solution

    |

  12. If x is real and x^(4) - 5x^(2) - 1 = 0, when the value of (x^(6) - 3x...

    Text Solution

    |

  13. If 24 sqrt3 x^3+2 sqrt2 y^3=(2 sqrt3x+ sqrt2 y)(Ax^2+Bxy+Cy^2), then t...

    Text Solution

    |

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

    Text Solution

    |

  15. If 250 sqrt2 x^3-5 sqrt5 y^3=(5 sqrt2x- sqrt5y)(Ax^2+Cy^2+Bxy), then ...

    Text Solution

    |

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

    Text Solution

    |

  17. If x + y + z = 19, x^(2) + y^(2) + z^(2) = 133, then the value of x^(3...

    Text Solution

    |

  18. If 8(x+y)^3-(x-y)^3=(x + 3y) (Ax^2+Cy^2+Bxy), then the value of (A-B-...

    Text Solution

    |

  19. If 9a^(2) + 16b^(2) + c^(2) + 25 = 24, (a+b), then the value of (3a + ...

    Text Solution

    |

  20. If x^2- 6x + 1= 0, then the value of (x^4+1/x^2) div (x^2+1) is यदि ...

    Text Solution

    |