Detail solution
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The derivative of a constant times a function is the constant times the derivative of the function.
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The derivative of is .
So, the result is:
The answer is:
The first derivative
[src]
$$\frac{i^{n}}{x}$$
The second derivative
[src]
$$- \frac{i^{n}}{x^{2}}$$
The third derivative
[src]
$$\frac{2 i^{n}}{x^{3}}$$