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Given

Exp[a+b]

I want to turn it into

Exp[a] Exp[b]

How can I achieve this in general? That is I am looking for more or less universal and scalable solution.

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1 Answer 1

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Just came up with one solution using rules:

expRule = Exp[x_ + y_] -> HoldForm[E^x E^y];

Then

Exp[a] + Log[Exp[1/a + Sin[c] Sqrt[b]]] /. expRule

produces as desired

$$\log \left(e^{1/a} e^{\sqrt{b} \sin (c)}\right)+e^a$$

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