44: If you tried the "e to ln" trick, you should have got

Recall that the fact that the ratio inside the logarithm converges to 1 was already worked out in the previous hint.

The indeterminate product that you obtained looks pretty straightforward (a power and a logarithm), so the standard approach should work: Change it into a ratio by putting something "under", the power looks like a good candidate.

If you went for the ec-form, you should have done

Find the appropriate substitution.

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