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Dorinmarius09
a fost răspuns

Prelucrati radicalii:
a)[tex] \sqrt{175} [/tex]
b)[tex] \sqrt{} \frac{a ^{6}b }{x ^{9} } [/tex]

Răspuns :

Icecon2005
a)  175=5²×7√(175)=√(5²×7)=5√7




 b.[tex] \sqrt{ \frac{a^{6}b }{ x^{9} } } \\ = \frac{ a^{3} \sqrt{b} }{ x^{3} \sqrt{x^{3} } } \\ = \frac{ a^{3} \sqrt{b}\sqrt{ x^{3}} }{ x^{3} x^{3} } } \\ =\frac{ a^{3} \sqrt{ bx^{3}} }{ x^{6} } } \\ [/tex]


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