perplexus.info :: Just Math : Exp=log

Exp=log (Posted on 2012-12-12)

Find all values of b such that the equation

b^x = log_bx

has exactly one real solution.

See The Solution Submitted by Jer

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re: possible solution--correction

| Comment 3 of 9 |

(In reply to possible solution by Charlie)

When b is below a certain value, found around b=.06, there seems to be two real solutions rather than one.

The trick is to find where exactly, near .06 that it changes from two solutions below that value to one solution between there and 1.

Posted by Charlie on 2012-12-12 17:24:19

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