Home
Class 11
MATHS
The sum of the co-efficient of the expan...

The sum of the co-efficient of the expansion of `(a^4x^2-2a^2x+1)^101`is zero.find the value of a.

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 7

    UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos
  • MODEL QUESTION PAPERS-SET 9

    UNITED BOOK HOUSE|Exercise EXERCISE|48 Videos

Similar Questions

Explore conceptually related problems

The sum of the coefficient in the expansion of (1+ax-2x^(2))^(n) is

If the sum of the coefficients of the expansion (a^(2)x^(2)-2ax+1)^(51) be zero , than the value of a will be -

The sum of the coefficients in the expansion of (1-2x+2x^2)^(2014) is

The sum of the coefficients in the expansion of (1+x- 3x ^(2))^(100) is-

The coefficient of x^5 in the expansion of (1+x^2)(1+x)^4 is

If the sum of the coefficient in the expansion of (alpha^2x^2-2alphax+1)^(51) vanishes, then find the value of alpha

The sum of all the coefficients in the expansion of (x^(2)+(1)/(x))^(n) is 1024. The value of n is

If the co-efficient of the (3r+1) th term is equal to the co-efficient of (r + 5) th term of the expansion of (1 +x)^32 , find the value of r.

Find the coefficinet of 1/x^2 in the expansion of (2x^3-1/x^2)^6 .

Find the sum of the coefficients in the expansion of (1+2x+3x^2+ n x^n)^2dot

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 8-EXERCISE
  1. In /\ABC.if cos A=(sinB)/(sinC),then show that the triangle is right a...

    Text Solution

    |

  2. Calculate the modulus of(1+2i)/(2-i)

    Text Solution

    |

  3. The sum of the co-efficient of the expansion of (a^4x^2-2a^2x+1)^101is...

    Text Solution

    |

  4. If ^(2n)C3:^nC3=11:1find the value of n.

    Text Solution

    |

  5. Find the vaue of 9^(1/3)9^(1/9)9^(1/27)...oo

    Text Solution

    |

  6. The co-ordinate of three vertices and centroid of a triangle are (x, ...

    Text Solution

    |

  7. The equation of one arm of a equilateral triangle is x + y = 2 and th...

    Text Solution

    |

  8. If y=x^nlogax(a>0,a!=1),then show that logea(xy1-ny)=x^n

    Text Solution

    |

  9. Evaluate' : lim(xrarroo)(1-sqrtx)/(1+sqrtx)

    Text Solution

    |

  10. If A and B are two events., such that P(A) = P(B)-= 1, then Prove that...

    Text Solution

    |

  11. Find that mean deviation from Arithmetic mean of the' natural numbers ...

    Text Solution

    |

  12. A market research group conducted a survey of 500 consumers and report...

    Text Solution

    |

  13. If alphaand betaare positive acute angles and cos2alpha=(3cos2beta-1)/...

    Text Solution

    |

  14. In any triangle ABC If sinA : sinB: sinC=4:5:6,then prove that cos A ...

    Text Solution

    |

  15. Prove by. mathematical induction :1.2+2.2^2+3.2^3+...+n.2^n=(n-1)2^(n+...

    Text Solution

    |

  16. If S1, S2 and S3 be respectively the sum of n, 2n and 3n terms of a G....

    Text Solution

    |

  17. Two parallel straight lines contains 5 points and 10 points respective...

    Text Solution

    |

  18. If the coefficients of 2nd,3rd and 4th terms in the (1+x)^(2n)are in A...

    Text Solution

    |

  19. Vertices of /\XYZ are X(-2, -3),Y (6, 1), and Z(1, 6). Find the co-ord...

    Text Solution

    |

  20. The equations of two sides of a square are 5x+12y-10=0 and 5x+12y+29=0...

    Text Solution

    |