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
计算[img=87x27]1803072d5c80fa5.png[/img] A: Log[1+Exp[-2]] B: Ln[1.+Exp[-2.]] C: Log[1.+exp[-2]] D: Log[1+Exp[-2.]]
计算[img=87x27]1803072d5c80fa5.png[/img] A: Log[1+Exp[-2]] B: Ln[1.+Exp[-2.]] C: Log[1.+exp[-2]] D: Log[1+Exp[-2.]]
求定积分[img=179x43]17da65388c0b1ca.png[/img]; ( ) A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
求定积分[img=179x43]17da65388c0b1ca.png[/img]; ( ) A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2
用R程序编程求下列的值,正确的命令是 ( )[img=273x30]180398c76b70239.png[/img] A: x<-log(2);y<-log(3);100^(2*x-y) B: x<-log10(2);y<-log10(3);100^(2*x-y) C: x<-log10(2);y<-log10(3);100^(2x-y) D: x<-log(2);y<-log(3);100^(2x-y)
用R程序编程求下列的值,正确的命令是 ( )[img=273x30]180398c76b70239.png[/img] A: x<-log(2);y<-log(3);100^(2*x-y) B: x<-log10(2);y<-log10(3);100^(2*x-y) C: x<-log10(2);y<-log10(3);100^(2x-y) D: x<-log(2);y<-log(3);100^(2x-y)
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]]]}
快速排序的时间复杂度________ A: 为O(n log n) B: 为O(n^2) C: 介于O(n log n)与O(n^2)之间,偏向于O(n log n) D: 介于O(n log n)与O(n^2)之间,偏向于O(n^2)
快速排序的时间复杂度________ A: 为O(n log n) B: 为O(n^2) C: 介于O(n log n)与O(n^2)之间,偏向于O(n log n) D: 介于O(n log n)与O(n^2)之间,偏向于O(n^2)
下列哪些函数是O(nlogn)?(假设对数基为2) A: log nⁿ B: n²log n C: 2ⁿ D: n²
下列哪些函数是O(nlogn)?(假设对数基为2) A: log nⁿ B: n²log n C: 2ⁿ D: n²
用赋值语句给定 x 数据,计算 [img=173x40]18034d605abf37a.png[/img]对应的 MATLAB 表达式是 A: sqrt(7*sin(3+2*x)+exp(2)*log(3)) B: sqrt(7sin(3+2x)+exp(2)log(3)) C: sqr(7*sin(3+2*x)+e^2*log(3)) D: sqr(7sin(3+2x)+ e^2 log(3))
用赋值语句给定 x 数据,计算 [img=173x40]18034d605abf37a.png[/img]对应的 MATLAB 表达式是 A: sqrt(7*sin(3+2*x)+exp(2)*log(3)) B: sqrt(7sin(3+2x)+exp(2)log(3)) C: sqr(7*sin(3+2*x)+e^2*log(3)) D: sqr(7sin(3+2x)+ e^2 log(3))
用赋值语句给定x的数据,计算[img=520x100]17da65a77d01074.png[/img]对应的matlab语句是( ). A: sqrt(6*tan(3+2*x)+exp(2)*log(3)) B: sqrt(6tan(3+2x)+exp(2)log(3)) C: sqr(6*tan(3+2*x)+exp(2)*log(3)) D: sqr(6tan(3+2x)+exp(2)log(3))
用赋值语句给定x的数据,计算[img=520x100]17da65a77d01074.png[/img]对应的matlab语句是( ). A: sqrt(6*tan(3+2*x)+exp(2)*log(3)) B: sqrt(6tan(3+2x)+exp(2)log(3)) C: sqr(6*tan(3+2*x)+exp(2)*log(3)) D: sqr(6tan(3+2x)+exp(2)log(3))
数学式 A: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sinx^2-Cos2x)) B: (Exp(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) C: (Exp(2*x)*Ln(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) D: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x)^2-Cos(x)^2))
数学式 A: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sinx^2-Cos2x)) B: (Exp(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) C: (Exp(2*x)*Ln(x)+x^2)/Sqr(Abs(Sin(x^2)-Cos(x)^2)) D: (e^(2*x)*Log(x)+x^2)/Sqr(Abs(Sin(x)^2-Cos(x)^2))