Question

Найдите общий член последовательности: 1; 1/2; 1/3; 1/25; 1/36; ....

Answer 1

$1;\; \frac{1}{2};\; \frac{1}{3};\; \frac{1}{4};\; ...;\frac{1}{n};\; ...\qquad a_{n}=\frac{1}{n}\\\\\\\frac{1}{25};\; \frac{1}{36};\; \frac{1}{49};\; \frac{1}{64};\; ...\; \frac{1}{(n+4)^2};...\qquad a_{n}=\frac{1}{(n+4)^2}$