Home
Class 14
MATHS
In each of these questions, two equation...

In each of these questions, two equations I. and II. are give. you have to solve both the equations and give answer
I. ` (1)/(3) + (5)/( x^(2)) = (8)/( 3 x)`
II. ` ( y)/( 2) + (21)/( 2y) = 5`

A

` x gt y `

B

` x lt y `

C

` x ge y `

D

x = y or no relation

Text Solution

AI Generated Solution

The correct Answer is:
To solve the given equations step by step, we will start with Equation I and then proceed to Equation II. ### Equation I: \[ \frac{1}{3} + \frac{5}{x^2} = \frac{8}{3x} \] **Step 1:** Eliminate the fractions by cross-multiplying. \[ 3x \left( \frac{1}{3} + \frac{5}{x^2} \right) = 8 \] This simplifies to: \[ x + \frac{15}{x} = 8 \] **Step 2:** Multiply through by \(x\) to eliminate the fraction. \[ x^2 + 15 = 8x \] **Step 3:** Rearrange the equation into standard quadratic form. \[ x^2 - 8x + 15 = 0 \] **Step 4:** Factor the quadratic equation. \[ (x - 3)(x - 5) = 0 \] **Step 5:** Set each factor to zero and solve for \(x\). \[ x - 3 = 0 \quad \Rightarrow \quad x = 3 \] \[ x - 5 = 0 \quad \Rightarrow \quad x = 5 \] ### Equation II: \[ \frac{y}{2} + \frac{21}{2y} = 5 \] **Step 1:** Eliminate the fractions by multiplying through by \(2y\). \[ y^2 + 21 = 10y \] **Step 2:** Rearrange the equation into standard quadratic form. \[ y^2 - 10y + 21 = 0 \] **Step 3:** Factor the quadratic equation. \[ (y - 3)(y - 7) = 0 \] **Step 4:** Set each factor to zero and solve for \(y\). \[ y - 3 = 0 \quad \Rightarrow \quad y = 3 \] \[ y - 7 = 0 \quad \Rightarrow \quad y = 7 \] ### Summary of Solutions: From Equation I, we found: - \(x = 3\) or \(x = 5\) From Equation II, we found: - \(y = 3\) or \(y = 7\) ### Relation Between \(x\) and \(y\): - When \(x = 3\), \(y = 3\) (they are equal). - When \(x = 5\), \(y = 3\) (here \(x > y\)). - When \(x = 5\), \(y = 7\) (here \(y > x\)). Thus, the relationship cannot be definitively established as \(x\) can be either smaller than, equal to, or greater than \(y\). ### Conclusion: The answer is that there is no definitive relation between \(x\) and \(y\). ---
Promotional Banner

Topper's Solved these Questions

  • INEQUALITY

    ADDA247|Exercise Mains Questions |38 Videos
  • INEQUALITY

    ADDA247|Exercise Previous Year Questions |75 Videos
  • INEQUALITY

    ADDA247|Exercise Prelims Questions (Level - 1) |50 Videos
  • DATA SUFFICIENCY

    ADDA247|Exercise PREVIOUS YEAR QUESTIONS |25 Videos
  • MENSURATION

    ADDA247|Exercise PREVIOUS YEAR QUESTION |31 Videos

Similar Questions

Explore conceptually related problems

In the following question, two equations numbered I and II are given. You have to solve both the equations and give answer: y^2 = 49 (x – y)^2 = 0

In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer I x^(2)-1=0 II. y^(2) +4y+3=0

In the following question, two equations numbered I and II are given. You have to solve both the equations and give the answer: x^2 – 28 + 3x = 0 8y^2 - y - 9 = 0

In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer I. x^(3)-371 =629 II. y^(3)-543= 788

In the following questions two equation numbered I and II are given You have to solve both equations and give answer (i) x^(2)=729 (ii) y=sqrt(729)

In the following questions two equation numbered I and II are given You have to solve both equations and give answer (ii) 5x-2y=31 (ii) 3x+7y=36

In the following question, two equations numbered I and II are given. You have to solve both the equations and give the answer: 4x^2 – 3x - 1 = 0 2y^2 - 7y - 9 = 0

In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer I. x^(2)-7x+12=0 II. y^(2)-12y+32=0

In the following question, two equations numbered I and II are given. You have to solve both the equations and give the answer: I. x^2-x-12=0 II. y^2+5y+6=0

ADDA247-INEQUALITY-Prelims Questions (Level - 2)
  1. In each of these questions, two equations I. and II. are give. you hav...

    Text Solution

    |

  2. In each of these questions, two equations I. and II. are give. you hav...

    Text Solution

    |

  3. In each of these questions, two equations I. and II. are give. you hav...

    Text Solution

    |

  4. In each of these questions, two equations I. and II. are given. You ha...

    Text Solution

    |

  5. In each of these questions, two equations I. and II. are given. You ha...

    Text Solution

    |

  6. In each of these questions, two equations I. and II. are given. You ha...

    Text Solution

    |

  7. In each of these questions, two equations I. and II. are given. You ha...

    Text Solution

    |

  8. In each of these questions, two equations I. and II. are given. You ha...

    Text Solution

    |

  9. In each of these questions, two equations I. and II. are given. You h...

    Text Solution

    |

  10. In each of these questions, two equations I. and II. are given. You h...

    Text Solution

    |

  11. In each of these questions, two equations I. and II. are given. You h...

    Text Solution

    |

  12. In each of these questions, two equations I. and II. are given. You h...

    Text Solution

    |

  13. In each of these questions, two equations I. and II. are given. You h...

    Text Solution

    |

  14. Solve the given quadratic equations and mark the correct options based...

    Text Solution

    |

  15. Solve the given quadratic equations and mark the correct options based...

    Text Solution

    |

  16. Solve the given quadratic equations and mark the correct options based...

    Text Solution

    |

  17. Solve the given quadratic equations and mark the correct options based...

    Text Solution

    |

  18. Solve the given quadratic equations and mark the correct options based...

    Text Solution

    |

  19. In the following questions two equations I. and II. are given. You hav...

    Text Solution

    |

  20. In the following questions two equations I. and II. are given. You hav...

    Text Solution

    |