### Home > A2C > Chapter 13 > Lesson 13.1.3 > Problem13-62

13-62.

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1. $(a + b)^4$

Use the binomial theorem.

$a^4+4a^3b+6a^2b^2+4ab^3+b^4$

1. $(3m - 2)^4$

Use the results of part (a). Let $a = 3m$ and $b = -2$. Simplify.

$81m^4 -216m^3 +216m^2 -96m+16$