September 2021 1 32 Report
5) Вычислите
[tex] \frac{4+ \sqrt{3} }{2+ \sqrt{3} } + \frac{4- \sqrt{3} }{2- \sqrt{3} } [/tex]
7) Найдите наибольшее значение дроби [tex] \frac{ \sqrt{a}-3 }{a-9} [/tex]
8)Упростите [tex]( \frac{a+ \sqrt{b} }{a- \sqrt{b} }+ \frac{a- \sqrt{b} }{a+ \sqrt{b} } )* \frac{a- \sqrt{b} }{ a^{2} +b} [/tex]
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