Home
Class 11
MATHS
x1 and x2 are the roots of a x^2+b x+c=0...

`x_1` and `x_2` are the roots of `a x^2+b x+c=0` and `x_1x_2<0.` Roots of `x_1(x-x_2)^2+x_2(x-x_1)^2=0` are: (a) real and of opposite sign b. negative c. positive d. non real

Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    CENGAGE PUBLICATION|Exercise All Questions|363 Videos
  • CONIC SECTIONS

    CENGAGE PUBLICATION|Exercise All Questions|1167 Videos

Similar Questions

Explore conceptually related problems

Find the condition if the roots of a x^2+2b x+c=0 and b x^2-2sqrt(a c )x+b=0 are simultaneously real.

If x_1, a n dx_2 are the roots of x^2+(sintheta-1)x-1/2(cos^2theta)=0, then find the maximum value of x_1^2+x_2^2

If x=1 and x=2 are solutions of equations x^3+a x^2+b x+c=0 and a+b=1, then find the value of bdot

If x_(1) and x_(2) are the real and distinct roots of ax^(2)+bx+c=0 then prove that lim_(xtox1) (1+sin(ax^(2)+bx+c))^(1/(x-x_(1)). equals to

If alpha,beta are the roots of the equation a x^2+b x+c=0, then find the roots of the equation a x^2-b x(x-1)+c(x-1)^2=0 in term of alpha and betadot

Find the roots of the equation 2x^2 - x + 1/8 = 0

Find the condition so that the two equations a_1 x^2+b_1 x+c_1=0 and a_2 x^2+b_2 x+c_2=0 will have a common root.

If x_1 and x_2 are two distinct roots of the equation acosx+bsinx=c , then tan((x_1+x_2)/2) is equal to (a) a/b (b) b/a (c) c/a (d) a/c

If alpha and beta are roots of the equation a x^2+b x+c=0, then the roots of the equation a(2x+1)^2-b(2x+1)(x-3)+c(x-3)^2=0 are a. (2alpha+1)/(alpha-3),(2beta+1)/(beta-3) b. (3alpha+1)/(alpha-2),(3beta+1)/(beta-2) c. (2alpha-1)/(alpha-2),(2beta+1)/(beta-2) d. none of these

If the ratio of the roots of the equation x^2+p x+q=0 are equal to ratio of the roots of the equation x^2+b x+c=0 , then prove that p^2c=b^2qdot

CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
  1. If the expression [m x-1+(1//x)] is non-negative for all positive real...

    Text Solution

    |

  2. When the polynomial 5x^3+M x+N is divided by x^2+x+1, the remainder is...

    Text Solution

    |

  3. x1 and x2 are the roots of a x^2+b x+c=0 and x1x2<0. Roots of x1(x-x2)...

    Text Solution

    |

  4. ifomegaa n domega^2 are the nonreal cube roots of unity and [1//(a+ome...

    Text Solution

    |

  5. If a ,b ,c ,d are four consecutive terms of an increasing A.P., then t...

    Text Solution

    |

  6. Find the relation if z1, z2, z3, z4 are the affixes of the vertices of...

    Text Solution

    |

  7. If roots of the equation x^2-10cx-11d=0 are a,b and those of x^2-10ax-...

    Text Solution

    |

  8. If z1, z2, z3 are three nonzero complex numbers such that z3=(1-lambda...

    Text Solution

    |

  9. Coefficient of x^99 in the polynomial (x-1) (x-2)....(x-100) is

    Text Solution

    |

  10. Let z1, z2, z3 be three complex numbers and a ,b ,c be real numbers no...

    Text Solution

    |

  11. Fill in the blanks If 2+isqrt(3) is a root of the equation x^2+p x+q=0...

    Text Solution

    |

  12. Prove that the triangle formed by the points 1,(1+i)/(sqrt(2)),a n di ...

    Text Solution

    |

  13. Fill in the blanks. If the product of the roots of the equation x^2-3k...

    Text Solution

    |

  14. Solve for z : z^2-(3-2i)z=(5i-5)dot

    Text Solution

    |

  15. If the equations x^2+ax+b=0 and x^2+bx+a=0 have one common root. Then ...

    Text Solution

    |

  16. Find all possible values of sqrt(i)+sqrt(-i)dot.

    Text Solution

    |

  17. Fill in the blanksIfx<0,y<0,x+y+(x//y)=(1//2)a n d (x+y)(x//y)=-(1//2...

    Text Solution

    |

  18. Find the square roots of the following: (i) 7-24 i

    Text Solution

    |

  19. True or false The equation2x^2+3x+1=0 has an irrational root.

    Text Solution

    |

  20. If z!=0 is a complex number, then prove that R e(z)=0 rArr Im(z^2)=0.

    Text Solution

    |