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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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