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ex 1 , 2 , 3 va rogggg e foatte urgent

Ex 1 2 3 Va Rogggg E Foatte Urgent class=

Răspuns :

1)c)1/2+1/4*(-2/3)=1/2-1/9=3-1/6=2/6=1/3
2)c){-3√2,  √256,√32/9
3)d)25x²-10x+1
(1-5x)²=1²-2*5x+(5x)²=1-10x+25x²⇔25x²-10x+1
sucees