Предмет: Алгебра, автор: klo030513

написать удвоенные произведения первого числа на второе следующих квадратов суммы: (n+x)2

MizoriesKun: 2nx

MizoriesKun: какое- то двоякое условие

Ответы

Автор ответа: slsl69

1

(n+x)^2=n^2+2nx+x^2

удвоенное произведение это 2nx

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