Home
Class 10
MATHS
If alphaa n dbeta ar the zeros of the po...

If `alphaa n dbeta` ar the zeros of the polynomial `f(x)=x^2-5x+k` such that `alpha-beta=1,` find the value of `kdot`

A

7

B

6

C

5

D

4

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 10 (SELF-ASSESSMENT)

    EDUCART PUBLICATION|Exercise Section-C (Case Study Based Questions)|10 Videos

  • SAMPLE PAPER 10 (SELF-ASSESSMENT)

    EDUCART PUBLICATION|Exercise Section-C (Case Study Based Questions)|10 Videos

  • SAMPLE PAPER 10

    EDUCART PUBLICATION|Exercise SECTION-C|10 Videos

  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - V) |4 Videos

Similar Questions

Explore conceptually related problems

If alpha and beta ar the zeros of the polynomial f(x)=x^(2)-5x+k such that alpha-beta=1 find the value of k.

If alpha and beta are the zeroes of the polynomial kx^(2)+4x+4, such that alpha^(2)+beta^(2)=24. find the value of k .

If alpha,beta,gamma are the zeroes of the polynomial f(x)=x^(3)-5x^(2)-2x+24 such that alpha beta=12, then

If alpha,beta are the zeros of the polynomial p(x)=x^(2)-a(x+1)-b such that (alpha+1)(beta+1)=0 then find value of b

if alpha& beta are zeroes of the polynomial 2x^(2)-5x+8 then

If alpha and beta are the zeros of the quadratic polynomial f(x)=kx^(2)+4x+4 such that alpha^(2)+beta^(2)=24, find the value of k

If alpha and beta are the zeros of the polynomial f(x) = 5x^(2) - 7x + 1 , find the value of (1/alpha+1/beta).

If alpha, beta are the zeros of the polynomial f(x) = x^2 – 3x + 2 , then find 1/alpha + 1/beta .

EDUCART PUBLICATION-SAMPLE PAPER 10 (SELF-ASSESSMENT)-Section -B
  1. A girl of height 90 cm is walking away from the base of a lamp-post...

    Text Solution

    |

  2. In fig. O is the center of the circle. Find the value of x.

    Text Solution

    |

  3. If alphaa n dbeta ar the zeros of the polynomial f(x)=x^2-5x+k such th...

    Text Solution

    |

  4. For two linear equations a(1)x + b(1)y + c(1)= 0 and a(2) x+ b(2)y+ c(...

    Text Solution

    |

  5. Find the probability of getting the same number of two dice in a singl...

    Text Solution

    |

  6. Evaluate sin theta.cos theta, if sin theta + cos theta= sqrt2.

    Text Solution

    |

  7. The area of shaded region in the given figure is

    Text Solution

    |

  8. Which is the smallest number, which on dividing by 18, 24, 30 and 42 l...

    Text Solution

    |

  9. The decimal expansion of (17)/(125) is

    Text Solution

    |

  10. The graph of a polynomial function is a smooth continuous curve. By lo...

    Text Solution

    |

  11. If a+b+c=0 and A(a,b), B(b,c) and C(c,a) are vertices of DeltaABC, the...

    Text Solution

    |

  12. A number is selected at random from the numbers 1 to 30. The probab...

    Text Solution

    |

  13. In the figure, DE||BC. If AD=1cm and BD=2cm, then the ratio of areas o...

    Text Solution

    |

  14. Find the ara of shaded region in the given figure in which the square ...

    Text Solution

    |

  15. One of the common solution of ax + by = c and y axis is

    Text Solution

    |

  16. The graphical representation of x+2y-4= 0 and 2x+4y-12=0 will be

    Text Solution

    |

  17. Which of the following is an example of non-terminating decimal?

    Text Solution

    |

  18. If x=2 is a zero of polynomial ax^(2)-bx+2, then what is the relation ...

    Text Solution

    |

  19. Delta ABC ~ DeltaPQR. If AB= 4cm, BC=3cm, CA=7cm and PR=2cm, then the ...

    Text Solution

    |

  20. If the HCF of 408 and 1032 is expressible in the form 1032\ m-408xx...

    Text Solution

    |