Home
Class 9
MATHS
x^(2) - 2 + (1)/(x^(2)) = …………...

`x^(2) - 2 + (1)/(x^(2))` = …………

A

`(x+(1)/(x))(x-(1)/(x))`

B

`(x-(1)/(x))^(2)`

C

`(x-(1)/(x))^(3)`

D

`(x+(1)/(2))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    KUMAR PRAKASHAN|Exercise Skill Testing Exercise|133 Videos

  • NUMBER SYSTEMS

    KUMAR PRAKASHAN|Exercise MULTIPLE CHOICE QUESTIONS (MCQs)|20 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Multiple Choice Questions (MCQs)|10 Videos

Similar Questions

Explore conceptually related problems

Find the sum of (x + (1)/(x))^(2), (x^(2) + (1)/(x^(2)))^(2), (x^(3) + (1)/(x^(3)))^(2) , ……..to n terms

Use suitable idntities to find the following products (i) (x +5) (x +2) (ii) (x-5) (x-5) (iii) (3x +3) (3x -2) (iv) (x ^(2) + (1)/( x ^(2)) )(x ^(2) - (1)/( x ^(2))) (v) (1+x) (1+x)

The domain of the function f given by f(x)= (x^(2) + 2x + 1)/(x^(2)-x-6)

Prove that, (d)/(dx) ["log" (x^(2) + x + 1)/(x^(2) -x + 1) + (2)/(sqrt3) "tan"^(-1) (sqrt3x)/(1-x^(2))]= (4)/(x^(4 ) + x^(2) + 1)

solve for x : (1) x^(2) + (1)/(x^(2))=(17)/(4) (2) (x+1)/(x)+(x)/(x+1)=(25)/(12) (3) x^(2)+(1)/(x^(2))+x+(1)/(x)-4=0

Expand : (2x^(2) + 1)(2x^(2) + 7)

If a+ib = (x+i)^(2)/(2x^(2)+1) , prove that a^(2) + b^(2) = (x^(2)+1)^(2)/(2x^(2) + 1)^(2)

Check whether the equations are quadratic or not? x^(2)+(1)/(x^(2))=2(x ne0)

Let y_(n)(x) = x^(2) + (x^(2))/(1+x^(2))+(x^(2))/((1+x^(2))^(2))+......(x^(2))/((1+x^(2))^(n-1))and y(x) = lim_(n rarr oo) y_(n) (x) . Discuss the continuity of y_(n)(x)(n = 1, 2, 3....n) and y(x) "at x" = 0

KUMAR PRAKASHAN-POLYNOMIALS-Multiple Choice Questions (MCQs)
  1. The value of p(x) = x^(3) + x^(2) - 3x-3 at x = -1 is …… .

    Text Solution

    |

  2. For the polynomial p(x), if p(2) = 0, then ……… is a factor of p(x).

    Text Solution

    |

  3. Dividing 2x^(3) + 6x^(2) + x + 5 by (x+3), the remainder is ……….. .

    Text Solution

    |

  4. ……….. should be substracted from x^(3) + 3x^(2) + 2x + 10, so that the...

    Text Solution

    |

  5. …………..should be added to x^(3) - 5x^(2) + x-8, so that the result is e...

    Text Solution

    |

  6. ……….. is one of the zeros of the polynomial x^(3) - 6x^(2) + 2x -12.

    Text Solution

    |

  7. If x+3 is a factor of x^(3) +6x^(2) + 11x + k, then k =.

    Text Solution

    |

  8. ……….. Should be added to x^(2) - 8, so that the result is exactly divi...

    Text Solution

    |

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

    Text Solution

    |

  10. …………is one of the factors of 2x^(4) + x^(3) - 14 x^(2) - 19x - 6.

    Text Solution

    |

  11. When x^(3) + 64 is divided by x+4, the quotient is ……… .

    Text Solution

    |

  12. x^(3) + 3x^(2) + 3x + 2 = (x+2) (………)

    Text Solution

    |

  13. The factors of x^(2) - x-12 are ………. .

    Text Solution

    |

  14. The factors of x^(2) - 100 are ……….. .

    Text Solution

    |

  15. x^(2) - 2 + (1)/(x^(2)) = …………

    Text Solution

    |

  16. If x^(2) + mx - 28 = (x-7)(x+4), then m = ……… .

    Text Solution

    |

  17. 105 xx 95

    Text Solution

    |

  18. (110)^(3) = ………..

    Text Solution

    |

  19. Evaluate each of the following using proper identity : 15^(3) - 9^...

    Text Solution

    |

  20. If x + 3 is one of the factors x^(3) + 2x^(2) - ax - 18 then a = ……… .

    Text Solution

    |