I keep getting -320/3 for some reason for this problem. A bit complicated, but need to know how to do this.

Find the line integral http://edugen.wileyplus.com/edugen/s...=1355206593647 where http://edugen.wileyplus.com/edugen/s...=1355206593647 consists of the three line segments from http://edugen.wileyplus.com/edugen/s...=1355184999882 to http://edugen.wileyplus.com/edugen/s...=1355184999882 to http://edugen.wileyplus.com/edugen/s...=1355184999882 to http://edugen.wileyplus.com/edugen/s...=1355184999882.

Enter an exact answer.

http://edugen.wileyplus.com/edugen/s...=1355206593647(Headbang)