IloveManUtd
New member
- Joined
- Jul 27, 2010
- Messages
- 48
If the coefficients of x[sup:2dv5pkzn]k[/sup:2dv5pkzn] and x[sup:2dv5pkzn]k+1[/sup:2dv5pkzn] in the expansion of (2+3x)[sup:2dv5pkzn]19[/sup:2dv5pkzn] are equal, find k
I've got the answer through the tables book but am wondering if there is a way to calculate it manually. PLEASE help.
I've got the answer through the tables book but am wondering if there is a way to calculate it manually. PLEASE help.