Home
Class 12
MATHS
The root of the equation 2(1 + i) x^2-4(...

The root of the equation `2(1 + i) x^2-4(2-i) x-5-3 i = 0,` where `i = sqrt(-1),` which has greater modulus is

A

`(3-5i)/(2)`

B

`(5-3i)/(2)`

C

`(3-i)/(2)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • QUESTION-PAPERS-2014

    BITSAT GUIDE|Exercise MATHEMATICS|45 Videos
  • QUESTION-PAPERS-2016

    BITSAT GUIDE|Exercise MATHEMATICS|45 Videos

Similar Questions

Explore conceptually related problems

The root of the equation 2(1+i)x^(2)-4(2-i)x-5-3i=0, where i=sqrt(-1), which has greater modulus is

If alpha and beta are the complex roots of the equation (1+i)x^(2)+(1-i)x-2i=o where i=sqrt(-1) , the value of |alpha-beta|^(2) is

3+4i is a root of the equation x^(2)+px+q=0 then

Fill in the blank : If 1+ i is a root of the equation ix^2-3x+p = 0 where i= sqrt-1 then the other root is ………..

If one root of the equation ix^2-2(i+1)x+(2-i)=0 is 2-i, then the other root is

BITSAT GUIDE-QUESTION-PAPERS-2015-MATHEMATICS
  1. lim(x to oo) (int(0)^(2x) x e^(x^(2)))/e^(4x^(2)) equals

    Text Solution

    |

  2. If omega is the complex cube root of unity, then the value of omega+om...

    Text Solution

    |

  3. The root of the equation 2(1 + i) x^2-4(2-i) x-5-3 i = 0, where i = sq...

    Text Solution

    |

  4. 3/4 + 15 / 16 + 63 / 64 + ............ n terms

    Text Solution

    |

  5. The period of tan 3theta is

    Text Solution

    |

  6. If a function f(x) is given by f(x)=x/(1+x)+x/((x+1)(2x+1))+x/((2x+1)(...

    Text Solution

    |

  7. If g is inverse of function f and f'(x)=sinx, then g'(x)=

    Text Solution

    |

  8. A bag contains (2n + 1) coins. It is known that n of these coins have ...

    Text Solution

    |

  9. If phi(x) is a differentiable function, then the solution of the diffe...

    Text Solution

    |

  10. The area of the region R={(x, y) : |x| le |y| and x^(2) +y^(2) le 1} i...

    Text Solution

    |

  11. Universal set U={x|x^5-6x^4+11x^3-6x^2=0} A={x|x^2-5x+6=0} B={x|x^...

    Text Solution

    |

  12. If cot^(-1)x-"cos"^(-1)(y)/(2)=alpha, then 4x^(2)-4xy cos alpha+y^(2)...

    Text Solution

    |

  13. If (e^(x) +e^(5x))/( e^(3x)) = a(0) +a(1)x +a(2)x^(2) +a(3)x^(3) +…. ...

    Text Solution

    |

  14. Let a, b and c be three vectors satisfying a xx b=(a xx c), |a| =|c| =...

    Text Solution

    |

  15. The total number of 4 digit numbers in which the digit are in descendi...

    Text Solution

    |

  16. The line, which is parallel to X-axis and crosses the curve y=sqrtx at...

    Text Solution

    |

  17. In a triangle, the lengths of the two larger sides are 10 and 9, re...

    Text Solution

    |

  18. The mean of then Numbers 0,1,2,3.......n with respective weights ""^(n...

    Text Solution

    |

  19. The mean square deviation of a set of n observation x(1), x(2), ..... ...

    Text Solution

    |

  20. Let S be the focus of the parabola y^2 = 8x and let PQ be the common c...

    Text Solution

    |