Engineering Board Exam Reviewer · Indefinite Integrals - Basic Formulas · easy

Evaluate: 2≤ft(3 x ),dx

1. ≤ft(3 x )3+C
2. - x + ≤ft(3 x )+C
3. - x + 3≤ft(3 x )9+C
4. - x + ≤ft(3 x )3+C

Answer

D. - x + ≤ft(3 x )3+C

Solution

Use 2 3x= 23x-1. Then ( 23x-1),dx= 3x/3-x+C.

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