It works sometimes

Algebra Level pending

\[ \large \lim_{n\to\infty} \sum_{s=1}^n \sum_{r=1}^n \bigg [ A(rs) \times 2^r 3^{-s} \bigg ] \]

Consider the function \( A(rs) = \begin{cases} {0 \quad , \quad r \ne s } \\ {1 \quad , \quad r=s } \end{cases} \).

Evaluate the series above.

×

Problem Loading...

Note Loading...

Set Loading...