Home
Class 12
MATHS
Two roots of the quadratic equation x^(2...

Two roots of the quadratic equation `x^(2) +(i -5)x +18 +i =0` are -

A

`-2+ 3i, 3+4i`

B

`2-3i, 3+4i`

C

`-3-4i, 2-3i`

D

`3i4i, 2+3i`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 7|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 8|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 3|90 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos
  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

Similar Questions

Explore conceptually related problems

Two roots of the quadratic equation x^(2) +3i x+ 10=0 are-

Two roots of the quadratic equation ix^(2) -10x -21i=0 is-

Two roots of the quadratic equation 2x^(2) +3ix+2 =0 are-

Two roots of the quadratic equation 3x ^(2)+7i x+6 =0 are-

Two roots of the quadratic equation x^(2) -(3sqrt2-2i ) x- 6 sqrt2i=0 are-

The roots of the quadratic equation 2x^2+3x+1 =0 are

If (2)/(5)and-5 be two roots of the quadratic equation ax^(2)-5x+b=0 , then find the values of a and b.

The roots of the quadratic equation x^(2)+a=0 are ______ .

The roots of the quadratic equation x^(2)-2x+1=0 are ______ and _____.

If the roots of the quadratic equation x^(2)-m(2x-5)-6=0 are equal, then m=

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 5
  1. Three numbers a,b,c are such that (a^(2) +ab+b ^(2))/(ab +bc +ca) =(a+...

    Text Solution

    |

  2. The complex numbers 1,-1 and isqrt3 from a triangle which is-

    Text Solution

    |

  3. Two roots of the quadratic equation x^(2) +(i -5)x +18 +i =0 are -

    Text Solution

    |

  4. The digit in the unit's place of the number [(183)! +3 ^(183)] is-

    Text Solution

    |

  5. If in the expansion of (1+x)^(n) the coefficient of 2nd, 3rd and 4th ...

    Text Solution

    |

  6. If 2(1- x) ge 3x+17, state which of the following true-

    Text Solution

    |

  7. In a distribution, coefficient of variation =5% and variance =4, then ...

    Text Solution

    |

  8. If a straight line passing through the focus of the parabola x ^(2) =4...

    Text Solution

    |

  9. If thte equation 3y^(2)+6y-5x-7=0 reduces to the form y ^(2) =ax when...

    Text Solution

    |

  10. The line-segment the points (3,4) and (2,-3) is divided by x-axis in t...

    Text Solution

    |

  11. Find the area of the triangle formed by the lines y - x = 0, x + y = 0...

    Text Solution

    |

  12. C is a point on the line-segment joining the points A (2,-3,4) and B(8...

    Text Solution

    |

  13. If lx+my+n=0 is the perpendicular bisector of the segment of line join...

    Text Solution

    |

  14. The radius of the circle x ^(2) +y^(2) +4x+6y+13=0 is-

    Text Solution

    |

  15. The two circles x ^(2)+y^(2)-2x +22y +5=0 and x ^(2) + y^(2) +14 x+6y ...

    Text Solution

    |

  16. The image of the origin with reference to the line 4x+3y=25 is -

    Text Solution

    |

  17. Lex x is even natural number less than 12, then domain of the relation...

    Text Solution

    |

  18. If the circles x ^(2) +y^(2) +2ax+cy+a=0 and x ^(2) +y^(2) -3ax+dy-1=0...

    Text Solution

    |

  19. The lines parallel ot the x-axis and passing through the intersection ...

    Text Solution

    |

  20. The ratio in which the straight line joining points (3,5,-7) and (-2, ...

    Text Solution

    |