book Maths Puzzle Numerical Ability

Please resolve the following into partial fractions

{{{(x^2+x-1) / (x^2+1)(x-1)}}}

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book Other Question

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A tree casts a shodow that measures 5 m. At the same time, a meter stick casts a shodow that is 0.4 m long. How tall is the tree?

Thank you,
Sher