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Number of Terms in a Multinomial Expansion
## Formula
The number of distinct terms in:
$$(x_1+x_2+\cdots+x_k)^n$$
is:
$${}^{n+k-1}C_{k-1}$$
## Usage
- Used to determine the number of distinct terms in a multinomial expansion.
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Number of Terms in a Multinomial Expansion
## Formula
The number of distinct terms in:
$$(x_1+x_2+\cdots+x_k)^n$$
is:
$${}^{n+k-1}C_{k-1}$$
## Usage
- Used to determine the number of distinct terms in a multinomial expansion.
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