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June 2022 - Paper 2 - Pure Mathematics 2
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Given $f(x)=x^3+2x^2-8x+5$, find $f''(x)$. Given $f(x)=x^3+2x^2-8x+5$, solve $f''(x)=0$. Given $f(x)=x^3+2x^2-8x+5$, hence find the range of values of $x$ for which $f(x)$ is conca
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