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Last Term of a GP
## Formula
If the GP has $$n$$ terms:
$$l=ar^{n-1}$$
Therefore:
$$r^{n-1}=\frac la$$
when:
$$a\ne0$$
## Usage
- Used to determine the last term or establish relations involving the number of terms.
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Last Term of a GP
## Formula
If the GP has $$n$$ terms:
$$l=ar^{n-1}$$
Therefore:
$$r^{n-1}=\frac la$$
when:
$$a\ne0$$
## Usage
- Used to determine the last term or establish relations involving the number of terms.
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