Adv
Deepak Bora
  • 0

Find the sum of first n even natural numbers.

  • 0

ICSE & CBSE Board Question Based on Arithmetic Progression of RS Aggarwal
In this Question you have to find the sum of first n even natural numbers.
This is the Question Number 14 Of Exercise 11D of RS Aggarwal Solution.

Share

Related Questions

Adv

1 Answer

  1. Even natural numbers = 2,4,6,8,….

    d=4-2=2

    Sn=n/2[2a+(n-1)d]

    Sn=n/2[2×2+(n-1)2]

    Sn=n/2[4+2n-2]

    Sn=n/2[2n+2]

    Sn=2n^2+2n/2

    Sn=2(n^2+n)/2

    Sn=n^2+n

     

    Sum of first n even natural numbers = n square +n

    • 0
Leave an answer

Leave an answer

Browse

Choose from here the video type.

Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs".

Captcha Click on image to update the captcha.