Question

Calculati: $\sqrt \frac{4}{9}+ \sqrt \frac{16}{81}- \sqrt \frac{26}{9}$

Answer 1

[tex] \sqrt \frac{4}{9}+ \sqrt \frac{16}{81}- \sqrt \frac{26}{9} =\\ = ^{3)}\frac{2}{3} + \frac{4}{9} -^{3)} \frac{ \sqrt{26} }{3} =\\ = \frac{6}{9} + \frac{4}{9} - \frac{ 3\sqrt{26} }{9}=\\ = \frac{10-3\sqrt{26} }{9} [/tex]Scrie răspunsul tău aici