### Home > A2C > Chapter 13 > Lesson 13.1.4 > Problem 13-88

13-88.

What is the fifth term of each expansion?

Use the binomial theorem.

_{\large{_{9}C_{5} · a^{5} · b^{9−5} = 126a^{5}b^{4}}}

See part (a).

13-88.

What is the fifth term of each expansion?

Use the binomial theorem.

_{\large{_{9}C_{5} · a^{5} · b^{9−5} = 126a^{5}b^{4}}}

See part (a).