Second derivative of $$$\pi$$$
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Find $$$\frac{d^{2}}{d\pi^{2}} \left(\pi\right)$$$.
Solution
Find the first derivative $$$\frac{d}{d\pi} \left(\pi\right)$$$
Apply the power rule $$$\frac{d}{d\pi} \left(\pi^{n}\right) = n \pi^{n - 1}$$$ with $$$n = 1$$$, in other words, $$$\frac{d}{d\pi} \left(\pi\right) = 1$$$:
$${\color{red}\left(\frac{d}{d\pi} \left(\pi\right)\right)} = {\color{red}\left(1\right)}$$Thus, $$$\frac{d}{d\pi} \left(\pi\right) = 1$$$.
Next, $$$\frac{d^{2}}{d\pi^{2}} \left(\pi\right) = \frac{d}{d\pi} \left(1\right)$$$
The derivative of a constant is $$$0$$$:
$${\color{red}\left(\frac{d}{d\pi} \left(1\right)\right)} = {\color{red}\left(0\right)}$$Thus, $$$\frac{d}{d\pi} \left(1\right) = 0$$$.
Therefore, $$$\frac{d^{2}}{d\pi^{2}} \left(\pi\right) = 0$$$.
Answer
$$$\frac{d^{2}}{d\pi^{2}} \left(\pi\right) = 0$$$A
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