Student Support Forum: 'Why can't Mathematica solve this, but WolframAl...' topicStudent Support Forum > General > Archives > "Why can't Mathematica solve this, but WolframAl..."
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Comment/Response |
Tobias
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 03/10/13 09:47am
Hello,
I recently encountered this problem. I wanted to solve a not so complicated equation:
Solve[K == Sqrt[(M-1)/M], M]
Mathematica returns an empty result set.
Doing so in WolframAlpha, the result is M = (1/(1-k^2), which is correct, of course.
In both programmes, I entered the exact same code.
One could think that a quite expensive Mathematica can handle at least what WolframAlpha can compute ... but here it seems not to be the case.
Any ideas? Did I do it wrong?
Best regards,
Tobias
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