Engineering Board Exam Reviewer · Trigonometric Integrals and Substitution · medium

Evaluate: 2≤ft(x ) 2≤ft(x ),dx

1. x/8 + ≤ft(4 x )32+C
2. x/4 - ≤ft(4 x )16+C
3. 3≤ft(x ) 3≤ft(x )9+C
4. x/8 - ≤ft(4 x )32+C

Answer

D. x/8 - ≤ft(4 x )32+C

Solution

2x 2x= 22x/4=1- 4x/8. Integrating: x/8- 4x/32+C.

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