October 2018 1 62 Report

Wykaż,że dla dowolnych liczb a i b prawdziwe są wzory:

(a+b)^2=a^2+2ab+b^2

(a-b)^2=a^2-2ab+b^2

a^2-b^2=(a-b)(a+b)

^-do potęgi

Potrzebuję na dzisiaj !!!


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