MENU
Question -

Find the sum to n terms of each of the series in Exercises 1 to 7.

1 × 2 + 2 × 3 + 3 × 4 + 4 × 5 + …



Answer -

Given series is 1 × 2+ 2 × 3 + 3 × 4 + 4 × 5 + …

It’s seen that,

nth term, an = n ( n +1)

Then, the sum of nterms of the series can be expressed as

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
×