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cum aflam nr. care ridicat la patrat da 99225 fara a folosi radicali


Răspuns :

[tex] x^{2} =99225[/tex]
 [tex]x^{2} =5 ^{2} *3 ^{4} * 7^{2} [/tex]
[tex]x=(5^{2} *3 ^{4} *7 ^{2} ) ^{ \frac{1}{2} } =5 ^{ \frac{2}{2} } * 3^{ \frac{4}{2} } *7 ^{ \frac{2}{2} } =5 ^{1} *3 ^{2} *7 ^{1} =315[/tex]