Question

exercitiul 13 . mate . multumesc !

Answer 1

Răspuns:

$\sqrt{5^{2}*2^{3}} =10\sqrt{2}$

$\sqrt{6+\frac{1}{4} } =\sqrt{\frac{25}{4} } =\frac{5}{2}$

$\sqrt{3^{2}+4^{2} } =\sqrt{9+16} =\sqrt{25} =5$

$\sqrt{5\frac{1}{9} } =\sqrt{\frac{46}{9} } =\frac{\sqrt{46}}{3}$

$\sqrt{3^{4}*5^{2}} =45$

$\sqrt{11+\frac{1}{9} }=\sqrt{\frac{100}{9}}=\frac{10}{3}$

$\sqrt{16+\frac{1}{5} } =\sqrt{\frac{81}{5} } =\frac{9\sqrt{5} }{5}$

A={$10\sqrt{2} , \frac{5}{2}, 5, \frac{\sqrt{46}}{3}, 45, \frac{10}{3}, \frac{9\sqrt{5} }{5}$}

A∩N={5, 45}

A∩Q\Z={$\frac{5}{2} , \frac{10}{3}$}

A∩R\Q={$10\sqrt{2} , \frac{\sqrt{46}}{3} , \frac{9\sqrt{5} }{5}$}

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