September 2018 1 31 Report

Podane wyrażenie doprowadź do najprostszej postaci.

a) (x+y)2 - (x-y)2 =

b) (x+2y)2 +(x+y) (2x+2y) =

c) (3x-4)2 + (4x-5)2 =

d) (3x-4)2 - (4x-5)2 =

e) (3+4x)2 - (1-2x)2 =

to 2 to jest kwadrat jak cos....czyli ze wyrazenie w nawiasie do kwadratu :)

prosze o pomoc ;]


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