A) 15
B) \[81\]
C) \[243\]
D) Cannot be determined
Correct Answer: C
Solution :
Given third term of GP is, \[a=3.\] Product of first 5 terms \[=a{{r}^{2}}\times ar\times a\times \frac{a}{r}\times \frac{a}{{{r}^{2}}}\] \[={{a}^{5}}\] \[={{(3)}^{5}}\] \[=243\]
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