Question

For a G.p if a=2, r=-2/3 then s6= _____​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

$if \: r \: < 1 \: sn \: = \frac{a(1 - {r}^{n}) }{1 - r} \\ s6 = 2(1 - ( \frac{ - 2}{3} )^{6} ) \div 1 - ( - \frac{2}{3} )$