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Intermediate Mathematical Challenge 2021 Q22

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Intermediate Mathematical Challenge 2021 · Q22 · UK Maths Trust

Problem

\left(1+\frac{1}{x}\right)\left(1-\frac{2}{x+1}\right)\left(1+\frac{2}{x-1}\right)

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1

\frac{1}{x(x+1)}

\frac{1}{(x+1)(x-1)}

\frac{1}{x(x+1)(x-1)}

\frac{x+1}{x}

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Intermediate Mathematical Challenge 2021 (2021)

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