若∫f(x)dx=x2+c,则∫xf(1-x2)dx=( ). A: 2(1-x2)2+c B: -2(1-x2)2+c C: -1/2(1-x 2 ) 2 +C D: 1/2(1-x 2 ) 2 +C
若∫f(x)dx=x2+c,则∫xf(1-x2)dx=( ). A: 2(1-x2)2+c B: -2(1-x2)2+c C: -1/2(1-x 2 ) 2 +C D: 1/2(1-x 2 ) 2 +C
设∫f(x)dx=x2+C,则∫xf(1一x2)dr等于(). A: A. B: (1一x2)2+C C: B. D: (1一x2)2+C E: C.2(1一x2)2+C F: D.一2(1一x2)2+C
设∫f(x)dx=x2+C,则∫xf(1一x2)dr等于(). A: A. B: (1一x2)2+C C: B. D: (1一x2)2+C E: C.2(1一x2)2+C F: D.一2(1一x2)2+C
设f′(lnx)=1+x,则f(x)=() A: x+e+C B: e+x/2+C C: lnx+(lnx)/2+C D: e+C+e/2
设f′(lnx)=1+x,则f(x)=() A: x+e+C B: e+x/2+C C: lnx+(lnx)/2+C D: e+C+e/2
若不定积分∫f(x)dx=x2+c,则不定积分∫xf(1-x2)dx=().(A)-2(1-x2)2+c(B)2(1-x2)2+c(C)(D)若不定积分∫f(x)dx=x2+c,则不定积分∫xf(1-x2)dx=( ).
若不定积分∫f(x)dx=x2+c,则不定积分∫xf(1-x2)dx=().(A)-2(1-x2)2+c(B)2(1-x2)2+c(C)(D)若不定积分∫f(x)dx=x2+c,则不定积分∫xf(1-x2)dx=( ).
设∫1/(4+x[sup]2[/])dx=() A: 1/4arctan x/2+C B: 1/2arctan x/2+C C: arctan x/2+C D: 1/2arctan x+C
设∫1/(4+x[sup]2[/])dx=() A: 1/4arctan x/2+C B: 1/2arctan x/2+C C: arctan x/2+C D: 1/2arctan x+C
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<img src="data:image/png;base64,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" />=( ) A: (atan(x^(1/2))+C B: (atan(x)^2+C C: (atan(x^(1/2))^2+C D: (atan(x^2)^(1/2)+C
y=(x+5)^2的原函数是( ) A: 1/3(x+5)^3 B: (x+5)^2+C C: x^2+10x+25 D: 以上都不对
y=(x+5)^2的原函数是( ) A: 1/3(x+5)^3 B: (x+5)^2+C C: x^2+10x+25 D: 以上都不对
已知一个函数的导数为y'=2x,且x=1时y=2,这个函数是()。 A: y=x^2+C B: y=x^2+1 C: y=x+1 D: y=x^2/2
已知一个函数的导数为y'=2x,且x=1时y=2,这个函数是()。 A: y=x^2+C B: y=x^2+1 C: y=x+1 D: y=x^2/2
己知a、b、c均大于0,任意两个数之和大于第三个数,试确定4b^2c^2-(b^2+c^2-a^2)^2的值的符号.
己知a、b、c均大于0,任意两个数之和大于第三个数,试确定4b^2c^2-(b^2+c^2-a^2)^2的值的符号.
已知单元格G2中是一个公式:=A$2+B$2,则将G2复制到H3时,H3中的公式是()。 A: =A$2+B$2 B: =B$3+C$3 C: =A$3+B$3 D: B$2+C$2
已知单元格G2中是一个公式:=A$2+B$2,则将G2复制到H3时,H3中的公式是()。 A: =A$2+B$2 B: =B$3+C$3 C: =A$3+B$3 D: B$2+C$2