- #1

tree21c

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Dear all,

Please solve this integral:

View attachment 7576

I tried integral by substitution, but failed.

Wolframalpha shows the result is 6, but I don't know how to proceed it.

Can it be solved by elementary function?

Please solve this integral:

View attachment 7576

I tried integral by substitution, but failed.

Wolframalpha shows the result is 6, but I don't know how to proceed it.

Can it be solved by elementary function?

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