Write the coefficient of $${x}^{2}$$ in the following: $${x}^{2}-x+4$$
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$$\bullet$$ Term containing $$x^{2}$$ in $$x^{2}-x+4$$ is $$x^{2}$$ $$\bullet$$ So, the coefficient of $$x^{2}$$ is $$1$$ as there is no number multiplying $$x^{2}$$. $$\textbf{Hence, the coefficient of } x^2 \textbf{ in } x^2-x+4 \textbf{ is } 1$$
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