Home
Class 11
MATHS
Calculate the variance of 1st h natural ...

Calculate the variance of 1st h natural numbers.

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 1

    UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos
  • MODEL QUESTION PAPERS-SET 11

    UNITED BOOK HOUSE|Exercise EXERCISE|46 Videos

Similar Questions

Explore conceptually related problems

variance of 1st n natural number is

The varience of 1st 20 natural number is

The variance of first 20 natural numbers is

Find the variance of first n natural numbers.

The variance of first 20 natural numbers is-

Median of 1st n natural numbers is

The median of 1st 67 natural number is

Sum of 1st pth natural odd number is

The median of 1st 2013 natural number is

The variance of 1st n natural number is 24. Find n.

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 10-EXERCISE
  1. Evaluate:lim(xrarr0)(sqrt(1+x+x^2)-1)/x

    Text Solution

    |

  2. If P(A - B) = 1/3,P(A) =1/2 and P(B) =1/3 ,find the probability that ...

    Text Solution

    |

  3. Calculate the variance of 1st h natural numbers.

    Text Solution

    |

  4. For any three sets A, B, C. show thatAxx(B-C)=(AxxB)-(AxxC)

    Text Solution

    |

  5. Show that tan6^@tan42^@tan66^@tan78^@=1

    Text Solution

    |

  6. Solve :2+2cos2x.cos5x=sin^2 2x

    Text Solution

    |

  7. Prove that by mathematical induction,4^n+15n-1is divisible ny 9 when n...

    Text Solution

    |

  8. Prove that ((i-sqrt3)/(i+sqrt3))^200+((i+sqrt3)/(-i+sqrt3))^200= -1

    Text Solution

    |

  9. If the sum of 1st n tenn of a GP is Sn=1 and S(2n)=4,show that S(3n):S...

    Text Solution

    |

  10. In the expansion of (x+P)^n,the 6th ,7th,8th and 9th terms are a,b,c a...

    Text Solution

    |

  11. Show that the straight lines x/a+y/b=1/c, x/b+y/c=1/a and x/c+y/a=1/b ...

    Text Solution

    |

  12. The co-ordinates of the end points of a diagonal of a rectangle are (...

    Text Solution

    |

  13. Find the equation of a circle which is passes through the point (4,3) ...

    Text Solution

    |

  14. Show that the points (0. 7, 10), (-1, 6, 6) and (-4, 9, 6) form a righ...

    Text Solution

    |

  15. Differentiate (from 1st principle) sinx/xwith respect to x

    Text Solution

    |

  16. Prove that the statement , “If all the angles of a triangle are equal,...

    Text Solution

    |

  17. Prove that sqrt2 irrational, (use the method of contradiction).

    Text Solution

    |

  18. Two unbiased dice are thrown. Find the probability that the upper fac...

    Text Solution

    |

  19. If x costheta=y cos (theta+(2pi)/3)=z cos(theta+(4pi)/3)show that xy +...

    Text Solution

    |

  20. if tan (theta/2)=sqrt((1-e)/(1+e))tan (varphi/2),then prove that cos v...

    Text Solution

    |