Question

ПАМАГИТЕ СРОЧНО Пжжжж​

Answer 1

Объяснение:

$1)\ 2^2; 3^2;\ 4^2; 5^2; 6^2; 7^2; ...;\ (n+1)^2.\\2)\ \frac{1}{2};\ \frac{2}{3};\ \frac{3}{4};\ \frac{4}{5};\ \frac{5}{6};\ \frac{6}{7};\ ...;\ \frac{n}{n+1}.\\3)\ \frac{1}{2*3};\ \frac{1}{3*4};\ \frac{1}{4*5};\ \frac{1}{5*6};\ \frac{1}{6*7};\ \frac{1}{7*8};\ ...;\ \frac{1}{(n+1)*(n+2)}.\\4)\ \frac{1}{2};\ -\frac{1}{3} ;\ \frac{1}{4};\ -\frac{1}{5};\ \frac{1}{6};\ -\frac{1}{7};\ ...;\ (-1)^{n+1}\frac{1}{n+1}.\\5)\ 2;\ -2;\ 2;\ -2;\ 2;\ -2;\ ...;\ (-1)^{n+1}*2 .$