The sum of the nth term of a GP for \( r < 1 \) is given as...

University of Ilorin MTH101 kadesh past question

1. \( \frac{a(1 - r^n)}{1 - r} \)
2. \( \frac{a(1 - r^n)}{r - 1} \)
3. \( \frac{1 - r^n}{1 - r} \)
4. \( \frac{a(1 - r^n)}{r} \)

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