Engineering Board Exam Reviewer · Trigonometric Integrals and Substitution · medium

Evaluate: 4≤ft(x ),dx

1. x + 3≤ft(x )3 + ≤ft(x )+C
2. x + 3≤ft(x )3 - ≤ft(x )+C
3. 5≤ft(x )5+C
4. - x + 3≤ft(x )3 - ≤ft(x )+C

Answer

B. x + 3≤ft(x )3 - ≤ft(x )+C

Solution

4x= 2x( 2x-1)= 2x 2x- 2x+1. Integrating: 3x/3- x+x+C.

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