下列关于x的方程属于超越方程的是()
A: [img=81x25]1803bc5b324aaa6.png[/img]
B: [img=105x24]1803bc5b3bd2609.png[/img]
C: [img=307x119]1803bc5b4685536.png[/img]
D: [img=81x21]1803bc5b4fbcade.png[/img]
A: [img=81x25]1803bc5b324aaa6.png[/img]
B: [img=105x24]1803bc5b3bd2609.png[/img]
C: [img=307x119]1803bc5b4685536.png[/img]
D: [img=81x21]1803bc5b4fbcade.png[/img]
举一反三
- 设随机变量X的概率密度[img=190x71]17de89917dd344e.png[/img],则[img=87x47]17de89918b2d7b8.png[/img]的值为 A: 5 B: 3 C: 81/16 D: 4
- 不等式[img=146x24]18031ef3f198106.png[/img]的解集是() A: {x|-3<x<5} B: R C: {x|x>5或x<-3} D: {x|-5<x<3}
- 已知一质点的运动方程为x=2t,y=-5[img=14x22]180376837067b48.png[/img](t为时间),则轨迹方程为 A: 4y+5[img=18x22]1803768379522de.png[/img]=0 B: [img=18x22]1803768379522de.png[/img]+[img=17x26]180376838bf103f.png[/img]=4 C: 4y=5[img=18x22]1803768379522de.png[/img] D: y/x=5/2
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4