求(1-x)^2019的积分
A: -1/2020(1-x)^2020+C
B: 2020(1-x)^2020+C
C: -1/2019(1-x)^2020+C
D: 1/2019(1-x)^2020+C
A: -1/2020(1-x)^2020+C
B: 2020(1-x)^2020+C
C: -1/2019(1-x)^2020+C
D: 1/2019(1-x)^2020+C
举一反三
- 函数y=1-x2(x<0)的反函数为( ) A: y=1-x(x<1) B: y=-1-x(x≤1) C: y=-1-x(x<1) D: y=1-x(x≤1)
- 求极限lim(x→1)sin(1-x)/(1-x^2)
- 已知A={1,x,-1},B={-1,1-x},
- F(1/X)=X/1-X*X求f(x)=
- 17e0b849b7d64bd.jpg,计算[img=19x34]17e0ab14a855463.jpg[/img]实验命令为(). A: syms x;f=diff(asinsqrt(x))f=1/2/x^(1/2)/(1-x)^(1/2) B: f=diff(asin(sqrt(x)))f=1/2/x^(1/2)/(1-x)^(1/2) C: syms x;diff(asin(sqrt(x)))f=1/2/x^(1/2)/(1-x)^(1/2)