Arifmetik progressiyaning aniq formulasi

Komil va Asilaga $-10,-4,2,8,...$minus, 10, comma, minus, 4, comma, 2, comma, 8, comma, point, point, point arifmetik progressiyaning oshkor formulasini topish topshirildi.

Komilning aytishicha, formula $f(n)=-10+6n$f, left parenthesis, n, right parenthesis, equals, minus, 10, plus, 6, n ga teng.

Asilaning aytishicha, $f(n)=-10+6(n-1)$f, left parenthesis, n, right parenthesis, equals, minus, 10, plus, 6, left parenthesis, n, minus, 1, right parenthesis ga teng.