1 votes 1 votes Combinatory generating-functions + – Aditya Bahuguna asked Jan 5, 2018 recategorized Oct 12, 2018 by Mk Utkarsh Aditya Bahuguna 653 views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply Show 5 previous comments Manu Thakur commented Jan 5, 2018 reply Follow Share sorry, i didn't see the power 5. let me correct my comment. 0 votes 0 votes Manu Thakur commented Jan 5, 2018 reply Follow Share x(1 + x + x^2 + ....+ x^4) x^10( 1 + x + x^2+ ...)^5 (1-x^5)/(1-x)* 1/(1-x)^5 = 1-x^5 *(1/(1-x)^6) find the coefficient of x^9 answer will be 14C9 - 9C4. 1 votes 1 votes Lakshman Bhaiya commented Oct 5, 2018 reply Follow Share @Manu Thakur So, the answer will be 1876?? 1 votes 1 votes Please log in or register to add a comment.
0 votes 0 votes x(1 + x + x^2 + ....+ x^4) x^10( 1 + x + x^2+ ...)^5 (1-x^5)/(1-x)* 1/(1-x)^5 = 1-x^5 *(1/(1-x)^6) find the coefficient of x^9 answer will be 14C9 - 9C4. Psy Duck answered Oct 12, 2022 Psy Duck comment Share Follow See all 0 reply Please log in or register to add a comment.