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5 + 12 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

\(\int {\ln xdx = } \)

\(x\ln x + x + c\)

\(x + x\ln x + c\)

\(x - x\ln x + c\)

\(x\ln x - x + c\)