Question

Find the 5th term in the expansion (x - 2/x)^8 using Pascal's Triangle. Please heelp (:

Answer 1

use the formula.

Answer 2

Do you know the formula for term?

Answer 3

\[\Huge T_{r+1}= nCr (a)^{n-r} (b)^r\]

Answer 4

thanks but we arent supposed to use the formula :)

Answer 5

then expand it one by one.

Answer 6

Naw I know how to do it now, with Pascal's triangle

but yeah your way works too ~

Answer 7

thanks anyways

Answer 8

uw.