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(√2-√3)la a doua-(√2-1)(√2+1)+2√6

Răspuns :

(√2 -√3)la a doua =2-3=-1 ......... (√2-1)(√2+1)=√2 la a doua -√2+1la a doua =2-√2+1=3-√2 ..........2√6 ................,.=======>(√2-√3)la a doua -(√2-1)(√2+1) +2√6=.-1-3√2+2√6