1. $\frac{1}{4} - \frac{1}{6} + \frac{1}{9} - \frac{2}{7}+.....$

• A. $S_{\infty }= \frac{20}{3}$
• B. $S_{\infty }= \frac{20}{3}$
• C. $S_{\infty }= \frac{20}{3}$
• D. $S_{\infty }= \frac{20}{3}$

Post your comments here: