求不定积分[img=112x35]17da6538063a9e4.png[/img]; ( ) A: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/ B: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4))/8 C: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4)) D: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/8
求不定积分[img=112x35]17da6538063a9e4.png[/img]; ( ) A: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/ B: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4))/8 C: (x^4*log(x)^2)/4 - (x^4*(log(x) - 1/4)) D: (x^4*log(x)^2)/4 + (x^4*(log(x) - 1/4))/8
某信道的带宽为4KHZ,信噪比为30DB,则信道容量为() A: 〖4log〗_231 kb/s B: 〖4log〗_231 b/s C: 〖4log〗_21001 kb/s D: 〖4log〗_21001 b/s
某信道的带宽为4KHZ,信噪比为30DB,则信道容量为() A: 〖4log〗_231 kb/s B: 〖4log〗_231 b/s C: 〖4log〗_21001 kb/s D: 〖4log〗_21001 b/s
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
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
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=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
选择下列函数运行后的输出NestList[Log,10,3] A: {Log[10],Log[Log[10]],Log[Log[Log[10]]]} B: {10,Log[10],Log[Log[10]],10+Log[Log[Log[10]]]} C: {Log[10],Log[Log[10]],Log[Log[Log[Log[10]]]]} D: {10,Log[10],Log[Log[10]],Log[Log[Log[10]]]}
选择下列函数运行后的输出NestList[Log,10,3] A: {Log[10],Log[Log[10]],Log[Log[Log[10]]]} B: {10,Log[10],Log[Log[10]],10+Log[Log[Log[10]]]} C: {Log[10],Log[Log[10]],Log[Log[Log[Log[10]]]]} D: {10,Log[10],Log[Log[10]],Log[Log[Log[10]]]}
袋中装有3个黄球和3个白球,连续摸2次,摸出的2个球均为黄球,这一事件的信息量为()。 A: -log(1/3) B: -log(1/2) C: -log(1/5) D: -log(1/4)
袋中装有3个黄球和3个白球,连续摸2次,摸出的2个球均为黄球,这一事件的信息量为()。 A: -log(1/3) B: -log(1/2) C: -log(1/5) D: -log(1/4)
y =log 4x的定义域 A: x<0 B: x>0 C: x<4 D: x>4
y =log 4x的定义域 A: x<0 B: x>0 C: x<4 D: x>4
CentOS操作系统的日志文件默认保存在哪个路径() A: /etc/log B: /var/log C: /usr/log D: /log
CentOS操作系统的日志文件默认保存在哪个路径() A: /etc/log B: /var/log C: /usr/log D: /log
What is the default filename for the component trace file?() A: CiscoMIV B: log C: CiscoMAD D: log E: CiscoMED F: log G: CiscoMCV H: log
What is the default filename for the component trace file?() A: CiscoMIV B: log C: CiscoMAD D: log E: CiscoMED F: log G: CiscoMCV H: log
计算 [img=97x44]17da60e3e6579e9.png[/img]实验命令为(). A: limit(log(x^2-3)/(x^2-3*x+2),2)ans =4 B: syms x; limit(log(x^2-3)/(x^2-3*x+2),2)ans =4 C: syms x; limit(logx^2-3/(x^2-3*x+2),x,2)ans =4
计算 [img=97x44]17da60e3e6579e9.png[/img]实验命令为(). A: limit(log(x^2-3)/(x^2-3*x+2),2)ans =4 B: syms x; limit(log(x^2-3)/(x^2-3*x+2),2)ans =4 C: syms x; limit(logx^2-3/(x^2-3*x+2),x,2)ans =4