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2014-10-20T19:47:40+03:00
(√5+t)²=5+2t√5+t²
(1+x)²=1+2x+x²
(√11-t³)²=11-2t³√11+t^6
t^6- t la puterea a 6 a
2 5 2
2014-10-20T19:51:13+03:00
(a+b)²=a²+2ab+b²
(√5+t)²=(√5)²+2·√5·t+t²=t²+2√5t+5
(1+x)²=1²+2·1·x+x²=x²+2x+1
(a-b)²=a²-2ab+b²
(√11-t³)²=(√11)²-2·√11·t³+tla puterea 6=tla puterea 6-2√11t³+11
1 5 1