Engineering Board Exam Reviewer · Trigonometric Integrals and Substitution · medium

Evaluate: 3x,dx

1. x- 3x/3+C
2. x+ 3x/3+C
3. x- 3x/3+C
4. 3x/3+C

Answer

A. x- 3x/3+C

Solution

Write 3x= x(1- 2x) and let u= x: x- 3x/3+C.

More Trigonometric Integrals and Substitution questions

1. Evaluate: 2x,dx
2. Evaluate: dxsqrt(4-x2)
3. Evaluate: /x2+9
4. Evaluate: 2x,dx

All Trigonometric Integrals and Substitution questions