Răspunsuri

2014-10-15T16:59:50+03:00
(√3+√2)² - se ridica la patrat dupa formula  a²+2ab+b²

adica aveam :  √3²+2*√3*√2+√2²=3+2√6+2=5+2√6

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2014-10-15T17:02:13+03:00
(√3+√2)²=√3²+2×√3+√2+√3²=3+2√6+2=5+2√6
pentru ca (a+b)²=a²+2ab+b²