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Help!!! I don’t understand how to do this

Help!!! I don’t understand how to do this-example-1
User Sony
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Answer:


f^((k))(x)=(17k!(-1)^k)/((x-9)^(k+1))

Explanation:

The question presumes you have access to a computer algebra system. The one I have access to provided the output in the attachment. The list at the bottom is the list of the first four derivatives of f(x).

__

The derivatives alternate signs, so (-1)^k will be a factor.

The numerators start at 17 and increase by increasing factors: 2, 3, 4, indicating k! will be a factor.

The denominators have a degree that is k+1.

Putting these observations together, we can write an expression for the k-th derivative of f(x):


\boxed{f^((k))(x)=(17k!(-1)^k)/((x-9)^(k+1))}

Help!!! I don’t understand how to do this-example-1
User OneRuler
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