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Mathematics, 22.03.2021 18:50 hannahkharel2

If $a = \frac{2x + \sqrt{x} }{x}$
and
without sing a calculator, show that

$b = \frac{1 - 2 \sqrt{x} }{ \sqrt{x} }$
$(a + b) {}^{2} = \frac{4}{x}$

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