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प्रश्न
For the G.P. if a = `7/243`, r = 3 find t6.
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उत्तर
Given, a = `7/243`, r = 3
tn = arn–1
∴ t6 = `7/243 xx (3)^(6 - 1)`
= `7/243 xx 3^5`
= 7
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