Question

Find the 5th term of (x-1)^7

Answer 1

use the binomial theorem

Answer 2

yes, I posted the steps to solving with the binomial theorem in the last question you asked.

I can help guide you through it if you'd like

Answer 3

I just need help on the exponents for (x) and (-1)
So far I have 7 C 4 (x) (-1)

Answer 4

\[(a+b)^n= \sum_{i=0}^{n}\left(\begin{matrix}n \\ i\end{matrix}\right)n^{n-i}b^i\]

Answer 5

review Pascal's Triangle so you will see the pattern

Answer 6

Okie thanks

Answer 7

http://www.mathcentre.ac.uk/resources/uploaded/mc-ty-pascal-2009-1.pdf