October 2018 1 20 Report

Oblicz wedlug wzorów skróconego mnożenia:

a) (2√5+1)2 =

b) (3+2√3)2 =

c) (2√5+3√7)2 =

wzory:

(a+b)2 = a2 + 2ab + b2

(a-b)2 = a2 - 2ab + b2


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