Home
Class 12
MATHS
If the roots of x^(3) - kx^(2) + 14x - 8...

If the roots of `x^(3) - kx^(2) + 14x - 8 = 0 ` are in G.P. then k =

A

-3

B

7

C

4

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ONLINE QUESTION PAPER 2018

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise MATHEMATICS|318 Videos

  • QUESTION PAPER 2019

    TS EAMCET PREVIOUS YEAR PAPERS|Exercise Mathematics|160 Videos

Similar Questions

Explore conceptually related problems

If the roots of x^(3) - 14x^(2) + 56x + k = 0 are in G.P. then k =

If the roots of 2x^(3) - 3x^(2) + kx + 6 = 0 are in A.P then k =

If the roots of 3x^(3) - 26x^(2) + 52x - 24 = 0 are in G.P. then roots are

If the roots 4x^(3) - 12x^(2) + 11x + k = 0 are in A.P. then k =

If the roots of kx^(3) -18x^(2) -36x + 8 =0 are in H.P, then k is

If the roots of ax^(3) + bx^(2) +cx + d = 0 are in G.P. then the roots of ak^(3) x^(3) + bk^(2) x^(2) + ckx + d = 0 are in

If the roots of x^(4) + 5x^(3) - 30x^(2) - 40x + 64 = 0 are in G.P. then the roots are

If the roots of x^4 - 8x^3 + 14 x^2 + 8x - 15=0 are in A.P then the roots are

TS EAMCET PREVIOUS YEAR PAPERS-QUESTION PAPER 2015-MATHEMATICS
  1. The common roots of the equations z^(3)+2z^(2)+2z+1=0,z^(2014)+z^(2015...

    Text Solution

    |

  2. If a,b,c are distinct and the roots of (b-c)x^(2)+(c-a)x+(a-b)=0 are e...

    Text Solution

    |

  3. If the roots of x^(3) - kx^(2) + 14x - 8 = 0 are in G.P. then k =

    Text Solution

    |

  4. IF the harmonic mean of the roots of sqrt(2) x^2-bx +(8-2sqrt(5))=...

    Text Solution

    |

  5. For real value of x, the range of (x^(2)+2x+1)/(x^(2)+2x-1) is

    Text Solution

    |

  6. Tm denotes the number of triangles that can be formed with the ...

    Text Solution

    |

  7. If |x|<1, then the coefficient of x^(5) in the expansion of (3x)/((x-2...

    Text Solution

    |

  8. If the coefficients of x^9, x^10, x^11 in the expansion of (1+x)^n are...

    Text Solution

    |

  9. If sintheta+costheta=p "and" tantheta+cottheta=q, "then" q(p^(2)-1) i...

    Text Solution

    |

  10. tan "" (pi)/(5) + 2 tan "" (2pi)/(5) + 4 cot "" (4pi)/(5)=

    Text Solution

    |

  11. If sinA+sinB+sinC=0 and cosA+cosB+cosC=0, then cos(A+B)+cos(B+C)+c...

    Text Solution

    |

  12. If tantheta.tan(120^(@)-theta)tan(120^(@)+theta)=(1)/(sqrt(3)) then th...

    Text Solution

    |

  13. If sin^(-1)(x-(x^2)/(2)+(x^3)/(4)-...infty)+cos^(-1)(x^2-(x^4)/(2)+(x^...

    Text Solution

    |

  14. If 2 "Sinh"^(-1) (a/sqrt(1-a^2)) = log ((1+x)/(1-x)), then x =

    Text Solution

    |

  15. If in a DeltaABC,r(1)=2r(2)=3r(3), then the perimeter of the triangle ...

    Text Solution

    |

  16. If M(1),M(2),M(3) "and" M(4), are respectively the magnitudes of the v...

    Text Solution

    |

  17. If a,b,c are unit vectors such that a + b + c = 0 then a.b + b.c + c +...

    Text Solution

    |

  18. If a=2hati+hatk,b=hati+hatj+hatk,c=4hati-3hatj+7hatk, then the vector ...

    Text Solution

    |

  19. If a,b and c are three vectors such that |a|=1, |b|=2, |c|=3 and a.b=b...

    Text Solution

    |

  20. If [a xx b b xx c c xx a] lambda [a b c]^(2) then lambda is equal to

    Text Solution

    |