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a fost răspuns

comparati numerele a si b daca :
a=radical (radical 7 - radical 5) la puterea a doua + radical (radical 7 - radical 5) la puterea a doua + 2* radical (radical 7 + radical 5) la puterea a doua + 4( 3\2 - radical 7)

Răspuns :

MariaZuzu
b= |radical 7 -1| + |radical 7 +1| + 2*|3- radical 7|
b= radical 7 -1 + radical 7 +1 + 2*(3- radical 7)
b= 2*radical 7 +6 - 2*radical 7
b= +6
Vezi imaginea MariaZuzu

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