Home
Class 11
MATHS
The equation whose roots are numerically...

The equation whose roots are numerically equal but opposite in sign to the roots of `3x^(2) - 5x - 7` = 0 is

A

`3x^(2) - 5x-7=0`

B

`3x^(2) + 5x - 7 = 0`

C

`3x^(2)-5x+7=0`

D

`3x^(2)+x-7`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BASIC ALGEBRA

    PREMIERS PUBLISHERS|Exercise PROBLEMS FOR PRACTICE I(. Answer the following questions|25 Videos

  • BASIC ALGEBRA

    PREMIERS PUBLISHERS|Exercise PROBLEMS FOR PRACTICE I -Choose the correct option for the following(MCQ)|37 Videos

  • BASIC ALGEBRA

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 2.12|13 Videos

  • BINOMIAL THEOREMN,SEQUENCES AND SERIES

    PREMIERS PUBLISHERS|Exercise PROBLEMS FOR PRACTICE(Choose the correct option for the following)|31 Videos

Similar Questions

Explore conceptually related problems

The equations whose roots are numerically equal but opposite in sign to the roots of 3x^(2)-5x-7=0 is ............ .

Let a,b, c be positive real numbers. If (x^(2)-bx)/(ax-c)=(m-1)/(m+1) has two roots which are numerically equal but opposite in sign, then the value of m is

The equation whose roots are the squares of the roots of the eqation 2x^(2)+3x+1=0 is

If x^(2)px+q=0 is the quadratic equation whose roots are a-2" and "b-2 where a and b are the roots of x^(2)-3x+1=0 , then

If the equation whose roots are the squares of the roots of the cubic x^3-a x^2+b x-1=0 is identical with the given cubic equation, then (a) a=0,b=3 b. a=b=0 c. a=b=3 d. a ,b , are roots of x^2+x+2=0

The quadratic equation whose roots are twice the roots of 2x^(2)-5x+2=0 is

In equation x^4-2x^3+4x^2+6x-21=0 if two of its roots are equal in magnitude but opposite in sign find the roots.

Form the equations whose roots are reciprocals of the roots of cubic equation. x^3+ax^2+bx+c=0

Determine the number of positive and negative roots of the equation x^9 - 5x^8 - 14 x^7 =0 .

PREMIERS PUBLISHERS-BASIC ALGEBRA-SOLUTION TO EXERCISE 2.13
  1. If |x + 2| le 9 , then x belongs to

    Text Solution

    |

  2. Given that x, y and b are real numbers x lt y, b gt 0, then

    Text Solution

    |

  3. If (|x-2|)/(x - 2) ge 0, then x belongs to

    Text Solution

    |

  4. The solution of 5x -1 lt 24 and 5x + 1 gt -24 is

    Text Solution

    |

  5. The solution set of the following inequality |x - 1| le |x - 3| is

    Text Solution

    |

  6. The value of "log"(sqrt(2)^(512)) is

    Text Solution

    |

  7. The value of "log"(3) (1)/(81) is

    Text Solution

    |

  8. If "log"(sqrt(x))0.25 = 4, then the value of x is

    Text Solution

    |

  9. The value of "log"(a) b "log"(b)c "log"(c ) a is

    Text Solution

    |

  10. If 3 is the logarithm of 343, then the base is

    Text Solution

    |

  11. Find a so that the sum and product of the roots of the equation 2x^(2)...

    Text Solution

    |

  12. If a and b are the roots of the equation x^(2) - kx + 16 = 0 and satis...

    Text Solution

    |

  13. The number of solutions of x^(2) + |x - 1| = 1 is

    Text Solution

    |

  14. The equation whose roots are numerically equal but opposite in sign to...

    Text Solution

    |

  15. If 8 and 2 are the roots of x^(2) + ax + c = 0 and 3,3 are the roots o...

    Text Solution

    |

  16. If a and b are the real roots of the equation x^(2)- kx + c = 0, then ...

    Text Solution

    |

  17. If (kx)/((x + 2) (x - 1)) = (2)/(x + 2) + (1)/(x -1) , then the value ...

    Text Solution

    |

  18. If (1 -2x)/(3 + 2x - x^(2)) = (A)/(3 -x ) + (B)/(x + 1) ,then the val...

    Text Solution

    |

  19. The number of roots of (x + 3)^(4) + (x + 5)^(4) = 16 is

    Text Solution

    |

  20. The value of "log"(3)11."log"(11) 13."log"(13)15."log"(15)27."log"(27)...

    Text Solution

    |