If the first term of a $G.P.$ be $5$ and common ratio be $ - 5$, then which term is $3125$
If the first term of a $G.P.$ be $5$ and common ratio be $ - 5$, then which term is $3125$
- A
${6^{th}}$
- B
${5^{th}}$
- C
${7^{th}}$
- D
${8^{th}}$
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