Home
Class 12
MATHS
Number of roots of (x^(2)+5x+7)(-x^(2)+3...

Number of roots of `(x^(2)+5x+7)(-x^(2)+3x-4) = 0`

A

0

B

2

C

4

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • DEFINITE INTEGRATION & ITS APPLICATION

    RESONANCE|Exercise High Level Problem|37 Videos

  • EQUATIONS

    RESONANCE|Exercise EXERCISE-2 (PART-II: PREVIOUSLY ASKED QUESTION OF RMO) |7 Videos

Similar Questions

Explore conceptually related problems

Two non-integer roots of (x^(2) - 5x)^(2) - 7 (x^(2) - 5x) + 6 = 0 are

Number of positive roots of x^(4)+3x^(3)2x^(2)3=0 is

The number real of roots of sqrt(x - 3) (x^(2) + 7x + 10)= 0 , where x in R is

The number of real roots of x^(10)-x^(7)+x^(5)+2x^(4)+6=0 is

The number of roots of 81 ((2x - 5)/( 3x +1))^(4) - 45 ((2x - 5)/(3x + 1))^(2) + 4 = 0 , x ne 1//3 is

If the product of the roots of 5x^(2)-4x+2+m(4x^(2)-2x-1)=0 is 3, then m=

The number of imaginary roots of x^(6)2x^(5)+7x+4=0 is

The number of imaginary roots of p(x)=x^(9)-x^(5)+x^(4)+x^(2)+1=0 is

The number of integral solution of (x^(2)(3x-4)^(3)(x-2)^(4))/(In(2x-1)(x-5)^(5)(2x-7)^(6))le 0 is :

RESONANCE-DPP-QUESTION
  1. Find the value of xsqrt(6x^(4) + 4x^(2) + 2) gt -2x^(2) + 5x - 4

    Text Solution

    |

  2. S = n xx 10^(6m) + n xx 10^(6m - 1) + n xx 10^(6m-2)+ "…." + nxx 10 + ...

    Text Solution

    |

  3. Number of roots of (x^(2)+5x+7)(-x^(2)+3x-4) = 0

    Text Solution

    |

  4. If the roots of Quadratic i^(2)x^(2)+5ix-6 are a+ib and c +id (a,b,c,d...

    Text Solution

    |

  5. S(10) = cos'(pi)/(180) + cos'(3pi)/(180) + "….." cos '(19pi)/(180)

    Text Solution

    |

  6. Find the sum of the series 31^(3) + 32^(3) + "……." 50^(3)

    Text Solution

    |

  7. Find maximum value of a^(2)b^(3) if a+b=2. When a & b are positive num...

    Text Solution

    |

  8. Find the roots of the equation x^(2) + ix - 1 - i = 0

    Text Solution

    |

  9. solve ||x-2|-1|lt 2

    Text Solution

    |

  10. If x^(3) + 2x-3 = 0 then then number of real values of 'x' satisfying ...

    Text Solution

    |

  11. solve for x |x+1| + |x-2| + |x-5| = 4

    Text Solution

    |

  12. If |a-b| gt ||a|-|b|| then

    Text Solution

    |

  13. The inequation sqrt(f(x)) gt g(x), is equivalent to the

    Text Solution

    |

  14. The value of sintheta + sin3theta +sin5theta + "….."+ sin(2n-1)theta i...

    Text Solution

    |

  15. If a,b,c, in R and equations ax^(2) + bx + c =0 and x^(2) + 2x + 9 = 0...

    Text Solution

    |

  16. Prove that cos theta* cos 2theta* cos2^(2)theta * cos2^(3)theta x... ...

    Text Solution

    |

  17. The graph of y = f|x| is given below The graph y = |f(x)|

    Text Solution

    |

  18. ((cos15^(@)-sin15^(@)+1)/(cos15^(@)+sin15^(@)+1))((1+sin15^(@))/(cos15...

    Text Solution

    |

  19. Which of the following is true :

    Text Solution

    |

  20. tanA +tanB + tanC = tanA tanB tanC if

    Text Solution

    |