# Precalculus Examples

Step 1

Use the binomial expansion theorem to find each term. The binomial theorem states .

Step 2

Expand the summation.

Step 3

Simplify the exponents for each term of the expansion.

Step 4

Step 4.1

Multiply by .

Step 4.2

Anything raised to is .

Step 4.3

Multiply by .

Step 4.4

Simplify.

Step 4.5

Evaluate the exponent.

Step 4.6

Multiply by .

Step 4.7

Multiply by .

Step 4.8

Anything raised to is .

Step 4.9

Multiply by .

Step 4.10

Raise to the power of .