Home
Class 14
MATHS
If a=x/(x+y) and b=y/(x-y) , then (a b)/...

If `a=x/(x+y)` and `b=y/(x-y)` , then `(a b)/(a+b)` is equal to `(x y)/(x^2+y^2)` (b) `(x^2+y^2)/(x y)` (c) `x/(x+y)` (d) `(y/(x+y))^2`

A

`(xy)/(x^(2) + y^(2))`

B

`(x^(2) + y^(2))/(xy)`

C

`(x)/(x+y)`

D

`((y)/(x+y))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    ARIHANT SSC|Exercise Exercise Base Level Questions|24 Videos

  • PROFIT, LOSS AND DISCOUNT

    ARIHANT SSC|Exercise EXERCISE (LEVEL 2)|45 Videos

  • RACES AND GAMES OF SKILL

    ARIHANT SSC|Exercise FAST TRACK PRACTICE|27 Videos

Similar Questions

Explore conceptually related problems

If a=(x)/(x+y) and b=(y)/(x-y), then (ab)/(a+b) is equal to (a) (xy)/(x^(2)+y^(2)) (b) (x^(2)+y^(2))/(xy)( c) (x)/(x+y) (d) ((y)/(x+y))^(2)

If a=(x)/(x^(2)+y^(2)) and b=(y)/(x^(2)+y^(2)) then value of (x+y) is

If x^(y)=y^(x), then ((x)/(y))^(x/y) is equal to a.x^(y/x) b.x^((x)/(y)-1) c.1d.x^((x)/(y))

If sin^(-1)((x^(2)-y^(2))/(x^(2)+y^(2)))=log a,then(dy)/(dx) is equal to (x)/(y)( b) (y)/(x^(2))(x^(2)-y^(2))/(x^(2)+y^(2)) (d) (y)/(x)

The average of the reciprocals of x and y is (a) ((x+y))/((x-y)) (b) ((x+y))/(2xy) (c) (2(x+y))/(xy) (d) (2xy)/((x+y))

a=(x)/(x^(2)+y^(2)) and b=(y)/(x^(2)+y^(2)) then find the value of x+y

a=(x)/(x^(2)+y^(2)) and b=(y)/(x^(2)+y^(2)) then find the value of x+y

If a=(x)/(x^(2)+y^(2))=b=(y)/(x^(2)+y^(2)), then the value of (x+y) is

If a=(x)/(x^(2)+y^(2))and b=(y)/(x^(2)+y^(2)). The value of (x+y) is

ARIHANT SSC-QUADRATIC EQUATIONS-Exercise Higher Skill Level questions
  1. if (a+1/a)^2=3 then find the value of (a^3+1/a^3)

    Text Solution

    |

  2. If a=x/(x+y) and b=y/(x-y) , then (a b)/(a+b) is equal to (x y)/(x^2+y...

    Text Solution

    |

  3. If x = sqrt(6 + sqrt(6 + sqrt(6 + sqrt(6 + …oo)))), then what is one o...

    Text Solution

    |

  4. If 2x^2-7x y+3y^2=0, then find the value of x : ydot

    Text Solution

    |

  5. Two numbers whose sum is 8 and difference is4, are the roots of the eq...

    Text Solution

    |

  6. The sum of a number and its reciprocal is (10)/(3), find the number(s)...

    Text Solution

    |

  7. If {2(1)/(4)} is the solution set of a quadratic equation, find the eq...

    Text Solution

    |

  8. Number of roots of the equation 3^2.x^2-7x+7= 9 is

    Text Solution

    |

  9. IF alpha ,, beta are the roots of the equation 8x^2-3x+27=0 then...

    Text Solution

    |

  10. The value of p for which the difference between the roots of the equat...

    Text Solution

    |

  11. In solving a prolem that reduces to a quadratic equation. One student ...

    Text Solution

    |

  12. The sum of the roots of the equation x^2+ px + q= 0 is equal to the su...

    Text Solution

    |

  13. If p and q are the roots of the equation x^2+ px + q= 0, then

    Text Solution

    |

  14. The difference in the roots of the equation 2x^2-11x + 5=0 is

    Text Solution

    |

  15. If one roots of the equation (x^(2))/(a) + (x)/(b) + (1)/(c ) = 0 is r...

    Text Solution

    |

  16. Number of solution of the equation sqrt(x^(2)-x + 1) + (1)/(sqrt(x^(2)...

    Text Solution

    |

  17. If x= sqrt((sqrt5+1)/(sqrt5-1)), then x^(2)-x -1 is equal to

    Text Solution

    |

  18. If one of the roots of the equation x^(2) -bx + c = 0 is the square of...

    Text Solution

    |

  19. A and B solve an equation x^2 + px + q = 0. Insolving A commits a mist...

    Text Solution

    |