2009 HCI Promo Q3

Timothy Gan

2009 HCI Promo Q3

Expand $\frac{{{x}^{2}}+2x}{2{{x}^{2}}+1}$ in ascending powers of $x$ up to and including the term in ${{x}^{5}}$. State the range of values of $x$ for which this expansion is valid.

[3]

Find, in the simplest form, the coefficient of ${{x}^{2017}}$ in this expansion.

[2]

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Published: 28th January 2023

Written by

Timothy Gan

This is Tim. Tim loves to teach math. Tim seeks to improve his teaching incessantly! Help Tim by telling him how he can do better.

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