3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 04:02:59
![3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2](/uploads/image/z/9450052-52-2.jpg?t=3%2A%28lg2%29%5E2%2B3%281-lg2%29%2Alg2%2B2%281-lg2%29-lg2%2B9%2F2)
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
=3*(lg2)^2+3lg2-3(lg2)^2+2-2lg2-lg2+9/2
=2+9/2
13/2