Respuesta :

IssacAsimov
Rationalize denominator in order to vanish radical term from denominator,

[tex] \frac{7(5+ \sqrt{3})}{(5- \sqrt{3})(5+ \sqrt{3})} = \frac{7(5+ \sqrt{3}) }{25-3} = \frac{35+7 \sqrt{3} }{22} [/tex]

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