Home
Class 11
MATHS
The value of sum(i=1)^nsum(j=1)^isum(k=1...

The value of `sum_(i=1)^nsum_(j=1)^isum_(k=1)^j1=220 ,` then the value of `n` equals a.`11` b. `12` c.`10` d. `9`

Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    CENGAGE PUBLICATION|Exercise All Questions|9 Videos

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

The value of sum_(i-1)^nsum_(j=1)^isum_(k=1)^j1=286 , then the value of n equals

sum_(i = 1)^n sum_(j = 1)^i sum_(k = 1)^j 1 is equal to

sum_(r=1)^nr^2-sum_(m=1)^nsum_(r=1)^mr is equal to

The value of cot(sum_(n=1)^(23)cot^-1(1+sum_(k=1)^n2k)) is

The value of sum_(n=1)^oo(-1)^(n+1)(n/(5^n)) equals

The value of sum_(r=1)^(n+1)(sum_(k=1)^n ^kC_(r-1)) (where r, k, n in N ) is equal to

Let f(n)= sum_(k=1)^(n) k^2 ^"(n )C_k)^ 2 then the value of f(5) equals

The value of sum_(n=1)^(13)(i^(n)+i^(n+1)),i=sqrt(-1) is

The value of cot {sum_(n=1)^(23)cot^(-1)""(1+sum_(k-1)^(n)2k)} is

The value of sum_(r=1)^(n) (-1)^(r+1)(""^(n)C_(r))/(r+1) is equal to

CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
  1. Let a1 , a2 , ...., a100 be an arithmetic progression with a1 = 3 and ...

    Text Solution

    |

  2. If 1^2+2^2+3^2++2003^2=(2003)(4007)(334) and (1)(2003)+(2)(2002)+(3)(2...

    Text Solution

    |

  3. The value of sum(i=1)^nsum(j=1)^isum(k=1)^j1=220 , then the value of ...

    Text Solution

    |

  4. The sum of 0. 2+0.004+0. 00006+0. 0000008+... to oo is a.(200)/(891) ...

    Text Solution

    |

  5. If tn=1/4(n+2)(n+3) for n=1, 2 ,3,.... then 1/t1+1/t2+1/t3+....+1/(t(...

    Text Solution

    |

  6. The coefficient of x^(19) in the polynomial (x-1)(x-2)(x-2^2)(x-2^(19)...

    Text Solution

    |

  7. If 1-1/3+1/5-1/7+1/9-1/(11)+=pi/4 , then value of 1/(1xx3)+1/(5xx7)+1/...

    Text Solution

    |

  8. Find the value of p, given that the line y/2 = x – p passes through th...

    Text Solution

    |

  9. If tn denotes the nth term of the series 2+3+6+11+18+...then t(50)...

    Text Solution

    |

  10. The number of positive integral ordered pairs of (a ,b) such that 6,a ...

    Text Solution

    |

  11. Let a ,b >0, let 5a-b ,2a+b ,a+2b be in A.P. and (b+1)^2, a b+1,(a-1)^...

    Text Solution

    |

  12. The difference between the sum of the first k terms of the series ...

    Text Solution

    |

  13. The value of the sum(n=0)^oo(2n+3)/(3^n) is equal to.

    Text Solution

    |

  14. How many two digit numbers are divisible by 3 ?

    Text Solution

    |

  15. If the roots of 10 x^3-n x^2-54 x-27=0 are in harmonic progression...

    Text Solution

    |

  16. The 5th and 8th terms of a geometric sequence of real numbers are 7! ...

    Text Solution

    |

  17. Find the 31st term of an A.P. whose 11th term is 38 and 6th term is 73...

    Text Solution

    |

  18. Find 23rd term of the AP 7, 3, 1, -1, .... ,-3.

    Text Solution

    |

  19. The 5th and 13th term of an A.P are 5 and -3 respectively. Find the A....

    Text Solution

    |

  20. If the sum of the first 14 terms of an AP is 1050 and its first term i...

    Text Solution

    |