Engineering Board Exam Reviewer · Trigonometric Integrals and Substitution · easy

Evaluate: 4≤ft(x ),dx

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

Answer

B. 3≤ft(x )3 + ≤ft(x )+C

Solution

4x= 2x(1+ 2x). Let u= x: (1+u2),du= x+ 3x/3+C.

More Trigonometric Integrals and Substitution questions

1. Evaluate: 3≤ft(x ) 2≤ft(x ),dx
2. Evaluate: 2x,dx
3. Evaluate: 3x,dx
4. Evaluate: 2x,dx
5. Evaluate: dxsqrt(4-x2)
6. Evaluate: /x2+9
7. Evaluate: 4≤ft(x ),dx
8. Evaluate: 14 ≤ft(x ) + 5,dx (for -π<x<π)
9. Evaluate: 1 - x2 + 4 x + 5,dx (for -1<x<5)
10. Evaluate: 1x2 + 4 x + 13,dx

All Trigonometric Integrals and Substitution questions