0 0 votes 9. Find the coefficient of x lO in the power series of each of these functions. a. (x^2 +x^4 +x^6 +x^8 + .. . )(x^3 +x^6 +x^9 + .. ·)(x^4 + x^8 +X^12 + ... ) b. (I +x^2+x^4+x^6+ x^8+ ... )(1 +x^4+X^8+X^I2 + ... ) (I +x^6 +x^12 +x^18 + ... ) Mathematical Logic generating-functions discrete-mathematics combinatory + – rahul sharma 5 1.9k views answer comment Share Follow Print See all 8 Comments 8 8 Comments reply Show 5 previous comments iarnav commented Jul 21, 2017 reply Follow flag Thanks so much Sir, for your reply and the formula. May you please tell me from where you got this formula/? 0 0 replyShare sid1221 commented Jul 21, 2017 reply Follow flag rosen chapter 6 , .. you will get all open and closed form of generating function ... https://gateoverflow.in/85604/generalized-permutation-and-combination for more clearification 0 0 replyShare akash.dinkar12 commented Sep 12, 2018 reply Follow flag what is the answer of 9 A?? 0 0 replyShare Please log in or register to add a comment.