Question

What is the 8th term in the binomial expansion of (2x+1)^9?

Answer 1

512 x 9 − 2304 x 8 + 4608 x 7 − 5376 x 6 + 4032 x 5 − 2016 x 4 + 672x 3 − 144 x 2 + 18 x − 1

Explanation: