2 votes 2 votes closed with the note: Question is solved Find the coefficient of x7 in expansion of (1+3x-2x3)10. How to apply multinomial theorem to solve this types of problems? sampad asked Mar 15, 2016 closed Mar 15, 2016 by sampad sampad 3.9k views comment Share Follow See all 3 Comments See all 3 3 Comments reply viv696 commented Mar 15, 2016 reply Follow Share please write answer if questiion is closed. 0 votes 0 votes Lokesh . commented Jan 25, 2017 reply Follow Share https://gateoverflow.in/11972/what-will-be-the-coefficient-of-x-23-in-1-x-5-x-9-100 0 votes 0 votes Lakshman Bhaiya commented Oct 11, 2018 reply Follow Share See this https://gateoverflow.in/182438/find-coefficient-of-x-7-doubt#a252364 0 votes 0 votes Please log in or register to add a comment.