1. [tex]a_{1} = \frac{3}{10}[/tex] ; [tex]r=\frac{1}{10}[/tex]
S=[tex]\frac{\frac{3}{10} }{1-\frac{1}{10} }=\frac{\frac{3}{10} }{\frac{1}{10} } = \frac{1}{3}[/tex]
2. [tex]a_{1} = \frac{1}{3}; r=\frac{1}{3}[/tex]
S=[tex]\frac{\frac{1}{3} }{1-\frac{1}{3} }=\frac{\frac{1}{3} }{\frac{1}{3} } = \frac{1}{2}[/tex]
3.[tex]a_{1} = 24; r=\frac{1}{6}[/tex]
S=[tex]\frac{24}{1-\frac{1}{6} } =\frac{24}{\frac{1}{6} } = \frac{144}{5}[/tex]
4.[tex]a_{1} = 64; r=\frac{1}{4}[/tex]
S=[tex]\frac{64}{1-\frac{1}{4} } =\frac{64}{\frac{1}{4} } = \frac{256}{3}[/tex]
