Home
Class 12
MATHS
If Cr denotes ""^nCr then show that ...

If `C_r` denotes `""^nC_r` then show that
`C_0 + (C_1)/(2) + (C_2)/(3) x^2 + ………..+ C_n. (x^n)/(n + 1) = ((1 + x)^(n+1) - 1)/((n + 1)x)`

Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    AAKASH SERIES|Exercise ADDITIONAL SOLVED EXAMPLES|10 Videos
  • BINOMIAL THEOREM

    AAKASH SERIES|Exercise EXERCISE - 3.1 (VERY SHORT ANSWER QUESTIONS)|44 Videos
  • BINOMIAL THEOREM

    AAKASH SERIES|Exercise EXERCISE - 1.4 (Level-2) |36 Videos
  • AREAS

    AAKASH SERIES|Exercise Exercise-3.2|21 Videos
  • CIRCLE

    AAKASH SERIES|Exercise EXERCISE -1.4|38 Videos

Similar Questions

Explore conceptually related problems

C_0 + (C_1)/(2) (4) + (C_2)/(3) (16) + …………..+(C_n)/(n + 1) (2^(2n))

k. C_0 + k^2 . (C_1)/(2)+k^3. (C_2)/(3)+…..+ k^(n+1). (C_n)/(n+1)=

C_0-(C_1)/(2)+(C_2)/(3)-…...+(-1)^n (C_n)/(n+1)=

Prove that : If n is a positive integer and x is any nonzero real number, then prove that C_(0)+C_(1)(x)/(2)+C_(2).(x^(2))/(3)+C_(3).(x^(3))/(4)+….+C_(n).(x^(n))/(n+1)=((1+x)^(n+1)-1)/((n+1)x)

With usual notations prove that C_1+2.C_2x + 3.C_3x^2 + ……+2n.C_(2n) x^(2n - 1) = 2n (1 + x)^(2n -1)

Prove that : If n is a positive integer, then prove that C_(0)+(C_(1))/(2)+(C_(2))/(3)+….+(C_(n))/(n+1)=(2^(n+1)-1)/(n+1).

AAKASH SERIES-BINOMIAL THEOREM-SOLVED EXAMPLES
  1. Prove that sum(r = 0)^n r^2 . Cr = n (n +1).2^(n-2)

    Text Solution

    |

  2. Prove that sum(r = 0)^n r^3 . Cr = n^2 (n +3).2^(n-3)

    Text Solution

    |

  3. If Cr denotes ""^nCr then show that C0 + (C1)/(2) + (C2)/(3) x^2 +...

    Text Solution

    |

  4. If C0, C1, C2 ,……..Cn are the coefficient in the expansion of (1 + x)^...

    Text Solution

    |

  5. With usual notations prove that C0 + 3.C1 + 3^2.C2 + ………..+3^n .Cn...

    Text Solution

    |

  6. With usual notations prove that C1/C0 + 2. C2/C1 + 3.C3/C2 + ……+n.(...

    Text Solution

    |

  7. Prove that (C0 + C1) (C1 + C2) …..(C(n-1) + Cn) = ((n+1)^n)/(n!) (C1.C...

    Text Solution

    |

  8. Prove that sum(r = 1)^n r^3 ((Cr)/(C(r - 1))^2) = (n (n + 1)^2 (n+2))/...

    Text Solution

    |

  9. Prove that following C(0)+(3)/(2).C(1)+(9)/(3).C(2)+(27)/(4).C(3)+……...

    Text Solution

    |

  10. Find the range of x for which the binomial expansion of the following ...

    Text Solution

    |

  11. Find the range of x for which the binomial expansion of the following ...

    Text Solution

    |

  12. Find the range of x for which the binomial expansion of the following ...

    Text Solution

    |

  13. Find the range of x for which the binomial expansion of the following ...

    Text Solution

    |

  14. Find the set of values of x for which the binomial expansions of the f...

    Text Solution

    |

  15. Find the set of values of x for which the binomial expansions of the f...

    Text Solution

    |

  16. Write down the first three terms in the expansion of (3 + x)^(-3//2)

    Text Solution

    |

  17. Write down the first three terms in the expansion of (4 - 5x)^(-1//2)

    Text Solution

    |

  18. Write down and simplify 5th term in the expansion of (6 + 7x)^(-2)

    Text Solution

    |

  19. Write down and simplify 7th term in the expansion of (2 + 3x)^(-5)

    Text Solution

    |

  20. Prove that : Find the 10^("th")" term of "(1-(3x)/(4))^(4//5)

    Text Solution

    |