Home
Class 9
MATHS
If (7a^2+2b^2)/(7a^2-2b^2) =113/13, find...

If `(7a^2+2b^2)/(7a^2-2b^2)` =113/13, find the value of a/b

Promotional Banner

Topper's Solved these Questions

  • RATIO AND PROPORATION

    CHETANA PUBLICATION|Exercise Exercise|66 Videos
  • POLYNOMIALS

    CHETANA PUBLICATION|Exercise Exercise|80 Videos
  • REAL NUMBERS

    CHETANA PUBLICATION|Exercise Exercise|59 Videos

Similar Questions

Explore conceptually related problems

If (15a^2+4b^2)/(15a^2-4b^2) = 47/7 then find the value of the ratio : (7a-3b)/(7a+3b)

If (15a^2+4b^2)/(15a^2-4b^2) = 47/7 then find the value of the ratio : a/b

If (15a^2+4b^2)/(15a^2-4b^2) = 47/7 then find the value of the ratio : (b^2-2a^2)/(b^2+2a^2)

If (15a^2+4b^2)/(15a^2-4b^2) = 47/7 then find the value of the ratio : (b^3-2a^3)/(b^3+2a^3)

If (a+2b)/(a-2b)=13 then find the value of a/b .

if a/3 =b/7 =(7a-2b)/x , then find the value of x.

If (3a+7b)/(3a-7b)= 4/3 then find the value of the ratios (3a^2-7b^2)/(3a^2+7b^2)

CHETANA PUBLICATION-RATIO AND PROPORATION-Exercise
  1. If x/y=13/6 then find the value of (3x+5y)/(3x-5y)

    Text Solution

    |

  2. If x/y=13/6 then find the value of (2x^2+5y^2)/(2x^2-5y^2)

    Text Solution

    |

  3. If (7a^2+2b^2)/(7a^2-2b^2) =113/13, find the value of a/b

    Text Solution

    |

  4. Solve the equation: (3x^2+21x+4)/(3x^227x+5)=(x+7)/(x+9)

    Text Solution

    |

  5. Solve the equation: (sqrt(x+13)+sqrt(x-1))/(sqrt(x+13)-sqrt(x-1))=3 ...

    Text Solution

    |

  6. If (x)/(y+z-x)=(y)/(z+x-y)=(z)/(x+y-z) and x+y+z=0 then show that each...

    Text Solution

    |

  7. If (2x-3y)/(3z+y)=(z-y)/(z-x)=(x+3z)/(2y-3x), then prove that every ra...

    Text Solution

    |

  8. If (a)/(y+z-x)=(b)/(z+x-y)=©/(x+y-z) then show that (x)/(b+c)=(y)/(c+a...

    Text Solution

    |

  9. Which number should be subtracted from 13,25 and 55 so that resultant ...

    Text Solution

    |

  10. (x-4) is geometric mean of (x-5) and (x-2) find the value of x

    Text Solution

    |

  11. If (x+y)^2 , m and (x-y)^2 are in continued proportion, then determine...

    Text Solution

    |

  12. 63/60=…….%

    Text Solution

    |

  13. If a/b=7/3 then find the value of (5a+3b)/(5a-3b) and (5a^2+3b^2)/(5a^...

    Text Solution

    |

  14. Fill in the blanks: a/3=b/4=c/7=(a-2b+3c)/……=………/(6-8+14)

    Text Solution

    |

  15. Find the following ratios: The ratio of diagonal of a square to its si...

    Text Solution

    |

  16. Text Solution

    |

  17. Text Solution

    |

  18. If sqrt(0.04 xx 0.4 xx a)=0.4 xx 0.04 xx sqrt(b) then find the ratio a...

    Text Solution

    |

  19. The ratio of present ages of Rehana and her mother is 2:7. After 2 yea...

    Text Solution

    |

  20. three numbers are in continued proportion whose mean proportional is 1...

    Text Solution

    |