Engineering Board Exam Reviewer · Integration by Substitution · medium

Evaluate: x/x,dx

1. ( x)2/2+C
2. ( x)2+C
3. x+C
4. 1/2x2+C

Answer

A. ( x)2/2+C

Solution

Let u= x, du=dx/x. u,du=u2/2+C=( x)2/2+C.

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