Home
Class 9
MATHS
If x-2 is a factor of x^2+3a x-2a, then ...

If `x-2` is a factor of `x^2+3a x-2a,` then `a=`
(a) `2`
(b) `-2`
(c) `1`
(d) `-1`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • FACTORIZATION OF ALGEBRAIC EXPRESSIONS

    RD SHARMA ENGLISH|Exercise All Questions|226 Videos

  • GRAPHICAL REPRESENTATION OF STATISTICAL DATA

    RD SHARMA ENGLISH|Exercise All Questions|85 Videos

Similar Questions

Explore conceptually related problems

If x-3 is a factor of x^2-a x-15 , then a= (a) -2 (b) 5 (c) -5 (d) 3

If x+a is a factor of x^4-a^2x^2+3x-6a , then a= (a) 0 (b) -1 (c) 1 (d) 2

If x+2\ is a factor of x^2+m x+14 , then m= (a) 7 (b) 2 (c) 9 (d) 14

If x+1 is a factor of the polynomial 2x^2+k x , then k= (a) -2 (b) -3 (c) 4 (d) 2

If x-a is a factor of x^3-3x^2a+2a^2x+b , then the value of b is (a) 0 (b) 2 (c) 1 (d) 3

If x+2 is a factor of x^2+a x+2b and a+b=4 , then (a) a=1,\ b=3 (b) a=3,\ b=1 (c) a=-1,\ b=5 (d) a=5,\ b=-1

If 1/2+1/x=2, then x= (a) 2/5 (b) 5/2 (c) 3/2 (d) 2/3

If (x-2)/3=(2x-1)/3-1, then x= (a) 2 (b) 4 (c) 6 (d) 8

If a and b are roots of the equation x^2+a x+b=0 , then a+b= (a) 1 (b) 2 (c) -2 (d) -1

If 2^x - 4^(2x-1) = 0 then x = ? (a) 2/3 (b) -2/3 (c) 3/2 (d) -3/2

RD SHARMA ENGLISH-FACTORIZATION OF POLYNOMIAL-All Questions
  1. If x+1 is a factor of x^3+a , then write the value of a

    Text Solution

    |

  2. If f(x)=x^4-2x^3+3x^2-a x-b when divided by x-1 , the remainder is 6, ...

    Text Solution

    |

  3. If x-2 is a factor of x^2+3a x-2a, then a= (a) 2 (b) -2 (c) 1 (...

    Text Solution

    |

  4. If x^3+6x^2+4x+k , is exactly divisible by (x+2), then the value of k ...

    Text Solution

    |

  5. If x-a is a factor of x^3-3x^2a+2a^2x+b , then the value of b is (a) ...

    Text Solution

    |

  6. If x^(140)+2x^(151)+k is divisible by x+1 , then the value of k is=? ...

    Text Solution

    |

  7. If x+2 and x-1 are the factors of x^3+10 x^2+m x+n, then the values of...

    Text Solution

    |

  8. Let f(x) be a polynomial such that f(-1/2)=0, then a factor of f(x) ...

    Text Solution

    |

  9. When x^3-2x^2+a x-b is divided by x^2-2x-3, the remainder is x-6. The ...

    Text Solution

    |

  10. One factor of x^4+x^2-20 is x^2+5. The other factor is x^2-4\ (b) ...

    Text Solution

    |

  11. If (x-1) is a factor of polynomial f(x) but not of g(x) , then it mu...

    Text Solution

    |

  12. (x+1) is a factor of x^n+1 only if

    Text Solution

    |

  13. If x+2\ is a factor of x^2+m x+14 , then m=

    Text Solution

    |

  14. If x-3 is a factor of x^2-a x-15 , then a= (a) -2 (b) 5 (c) -5 ...

    Text Solution

    |

  15. If x^2+x+1 is a factor of the polynomial 3x^3+8x^2+8x+3+5k , then th...

    Text Solution

    |

  16. If (3x-1)^7=a7x^7+a6x^6+a5x^5+....+a1x+a0 then the value of a7 + a6. ....

    Text Solution

    |

  17. If x^(51)+51 is divided by x+1 , the remainder is (a)0 (b) 1 (c) ...

    Text Solution

    |

  18. If x+1 is a factor of the polynomial 2x^2+k x , then k= (a) -2 (...

    Text Solution

    |

  19. If x+a is a factor of x^4-a^2x^2+3x-6a , then a=

    Text Solution

    |

  20. Find the value of k, if x-1 is a factor of 4x^3+3x^2-4x+k .

    Text Solution

    |