wrong result from CAS

Rune Klarskov Jensen shared this problem 5 years ago
Not a Problem

P:=(1, 25)


f(x):=(10 * x^(4)) + 1 / x


BeregnODE[f, P]


gives me:


y = (2 * x^(5)) + (1 / 5 * log(x^(5))) + 23


but should give me :


y = (2 * x^(5)) + ln(x) + 23

Comments (4)

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1

Aren't they the same?

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1

Yes it is the same.

I had a laugh when I saw it, I was blinded there :)


Thank you

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1

then simplify[]

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1

Nice advice

Thank you

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