Question

The fifth term of the expansion (1-pi)^6 is...

Answer 1

pi or \(\pi \) ?

Answer 2

\[\dbinom{6}{1}(-1)\pi^5=-6\pi^5\]

Answer 3

@satellite73: I think that is the 6th term.

Answer 4

formula worth remembering is:

(r+1)th term of (a +x) ^n = nCr a^(n-r) x^r