Aug 24, 2021 #3 skeeter Messages 1,103 Reaction score 1 \[ \lim_{k \to \infty} \left| \frac{[3(k+1)]!}{(k+1)(k+2)} \cdot \frac{k(k+1)}{(3k)!} \right| \] \[ \lim_{k \to \infty} \left| \frac{k(3k+3)(3k+2)(3k+1)}{(k+2)}\right| \] evaluate the limit ... what can you conclude?
\[ \lim_{k \to \infty} \left| \frac{[3(k+1)]!}{(k+1)(k+2)} \cdot \frac{k(k+1)}{(3k)!} \right| \] \[ \lim_{k \to \infty} \left| \frac{k(3k+3)(3k+2)(3k+1)}{(k+2)}\right| \] evaluate the limit ... what can you conclude?
Aug 25, 2021 #4 Prove It Gold Member MHB Messages 1,434 Reaction score 20 Also, keep in mind it's a positive termed series, so the absolute values (while not incorrect) are unnecessary.
Also, keep in mind it's a positive termed series, so the absolute values (while not incorrect) are unnecessary.