Question of the month (Sep 2012)

1 September 2012, 11:04

Find the sum of coefficients of x in the expansion of the following:

(3 − 2x + 2x2)347(2 + 3x − 3x2)348

Please submit your answer by posting a comment.

~ By Jimmy Sie


Category:

---

Comment

  1. For x=1
    (1-2+2)^347*(2+3-3)^348=1^347*2^348=2^348

    Francisco de León-Sotelo y Esteban · 27 May 2013, 13:41 · #

 
---