HP problem first Solver (bug?)

Solve (r = f ^ (a - ln (f)), f)

correctly gives the solution f = e ^(quad formula)

BUT, if I replace the 'a' in the above with any number between 0 and 1, for example, solve (r = f ^ (0, 5 - LN (f)), f), it gives an incorrect answer.

What it does is to replace the 1/2 power in the quadratic formula, by a multiple of 1/2 instead - IE. Instead of

e ^ (b + (c)^(1/2)) (correct answer).

It gives

e ^ (b + (c)*(1/2)) (it wrong - this simplifies down to something like d * r for some d - and it took me a long time to find what she does!)

is this a bug with the command solve or I just hurt?

I noticed a similar problem when solving 2nd order of. When simplifying a solution (using the display button 'to increase'), he sometimes changes things like e ^(x*3) in e ^(x^3). Unfortunately I don't have a simple example of it yet!

Three things here.

First of all, it's really not a good idea to use tiny e as a variable because that could also be interpreted as e ^ 1 and it can be confusing, that's who. Second, when you put an approximate value as 0.5 you no longer are not a symbolic resolution. Like most systems of CASE 1.  is interpreted as "an approximate 1 floating-point value" and not "and exact symbolic whole." You should do an "exact (0.5)' instead.5 or well" 1/2 "directly.". "

Thirdly, I think you may have spotted a problem. Well, this has already been resolved and runs a connectivity kit update, you will have the version the most recent where it works correctly even solve approximately.

Tags: HP Tablets

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