find sum of `1+3x+6x^2+10x^3+15x^4 + -------oo` where ` |x| lt 1 , x!= 0`

3,242 views · Published 12 October 2018 · 4:10 · Indexed 30 September 2026

Channel: Doubtnut · 2018 · Education

Watch on YouTube

To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW find sum of `1+3x+6x^2+10x^3+15x^4 + -------oo` where ` |x|  lt 1 , x!= 0`

More from this channel