Home
Class 10
MATHS
In each of the following, find the va...

In each of the following, find the value of `k` for which the given value is a solution of the given equation: `k x^2+sqrt(2)x-4=0,\ \ x=sqrt(2)` (ii) `x^2+3a x+k=0,\ \ x=-a`

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    RD SHARMA|Exercise All Questions|183 Videos
  • REAL NUMBERS

    RD SHARMA|Exercise All Questions|180 Videos

Similar Questions

Explore conceptually related problems

In each of the following,find the value of k for which the given value is a solution of the given equation: 7x^(2)+kx-3=0,x=2/3(ii)x^(2)-x(a+b)+k=0,x=a

In each of the following,determine the value of k for which the given value is a solution of the equation: kx^(2)+2x-3=0,x=2 (ii) 3x^(2)+2kx-3=0,x=-(1)/(2)( iii) x^(2)+2ax-k=0,x=-a

Find the value of k for which x=2 is a solution of the equation kx^(2)+2x-3=0

Find the values of 'k' for which x = 2 is a solution of the equation kx^(2) + 2x - 3 = 0

In each of the following determine whether the given values are solution of the given equation or not: x^(2)-x+1=0,x=1,x=-1( ii) x^(2)+sqrt(2)x-4=0,x=sqrt(2),x=-2sqrt(2)

In each of the following, determine whether the given values are solutions of the given equation or not: x^2-3x+2=0, x=2, x=-1 (ii) x^2+x+1=0, x=0, x=1 (iii) x^2-3sqrt(3)x+6=0, x=sqrt(3), x=-2sqrt(3) (iv) x+1/x=(13)/6, x=5/6, x=4/3

In each of the following,determine whether the given values are solutions of the given equation or not: 2x^(2)-x+9=x^(2)+4x+3,x=2,x=3 (ii) -sqrt(2)x-4=0,x=-sqrt(2),x=-2sqrt(2) (iii) a^(2)x^(2)-3abx+2b^(2)=0,x=a/b,x=b/a

Find the value of K' for which the given equation has real and equal roots.2x^(2)-10x+k=0

Find the value of k ,if (k,2) is a solution of the equation 2x+3y+6=0 .

Find the values of k for which the roots are real and equal in the following equations: 3x^(2)-5x+2k=0 (ii) 4x^(2)+kx+9=0

RD SHARMA-QUADRATIC EQUATIONS-All Questions
  1. In each of the following, determine whether the given values are so...

    Text Solution

    |

  2. In each of the following, find the value of k for which the give...

    Text Solution

    |

  3. In each of the following, find the value of k for which the give...

    Text Solution

    |

  4. Determine, if 3 is a root of the equation given below: sqrt(x^2-4x+...

    Text Solution

    |

  5. The product of two consecutive positive integers is 240. Formulate ...

    Text Solution

    |

  6. The area of a rectangular plot is 528\ m^2 . The length of the p...

    Text Solution

    |

  7. Rohan’s mother is 26 years older than him. The product of their age...

    Text Solution

    |

  8. A train travels a distance of 480 km at a uniform speed. If the spe...

    Text Solution

    |

  9. The product of two consecutive positive integers is 306. Form the q...

    Text Solution

    |

  10. John and Jivanti together have 45 marbles. Both of them lost 5 marb...

    Text Solution

    |

  11. A cottage industry produces a certain number of toys in a day. The ...

    Text Solution

    |

  12. The height of a right triangle is 7cm less than its base. If the hy...

    Text Solution

    |

  13. A train travels 360 km at a uniform speed. If the speed had been 5k...

    Text Solution

    |

  14. Solve the following quadratic equations by factorization method: x^...

    Text Solution

    |

  15. Solve the following quadratic equations by factorization method: 1/...

    Text Solution

    |

  16. Solve by factorization: (x-4)(x+2)=0

    Text Solution

    |

  17. Solve by factorization: (2x+3)(3x-7)=0

    Text Solution

    |

  18. Solve by factorization: x^2-(sqrt(3)+1)x+sqrt(3)=0

    Text Solution

    |

  19. Solve by factorization: 9x^2-3x-2=0

    Text Solution

    |

  20. Solve by factorization: 3sqrt(5)x^2+25 x-10sqrt(5)=0

    Text Solution

    |