Question

for a G.p if r=1/3,a=9;then t7​

Answer 1

$t7 = \frac{1}{81}$

Step-by-step explanation:

Given a = 9 and r = 1/3

Substitute this in the formula:

$tn = a \times {r}^{n - 1}$

On substitution, we get:

$t7 = 9 \times {1 \div 3}^{6}$

On solving we get 1/3⁴ which is equal to 1/81