Question

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Answer 1

$\frac{3}{\sqrt{32} } -\frac{5}{2\sqrt{50} } } =\frac{3}{4\sqrt{2}  } -\frac{5}{2*5\sqrt{2} } =\frac{3}{4\sqrt{2} } -\frac{1}{2\sqrt{2} } =\frac{1}{4\sqrt{2} }$