Given a curve $\mathrm{y}=7x-{x}^{3}$ and $x$ increases at the rate of $2$ units per second. The rate at which the slope of the curve is changing, when $\mathrm{x}=5$ is:

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Given a curve \(\mathrm{y}=7x-{x}^{3}\) and \(x\) increases at the rate of \(2\) units per second. The rate at which the…

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