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求定积分(int )_(-1)^1((x)^2+2x-3)dx.求定积分.
17.计算定积分int_(0)^sqrt(2)(x^2)/(sqrt(4-x^2)) dx.17.计算定积分$\int_{0}^{\sqrt{2}}\frac{
求∫(x^2/√x+1/x+ sinx)dx.
14、计算定积分int_(1)^e(ln^2x)/(x)dx.14、计算定积分$\int_{1}^{e}\frac{\ln^{2}x}{x}dx$.
求不定积分 int (e^arctan x + 2x ln (1 + x^2))/(1 + x^2) dx.求不定积分 $\int \frac{e^{\arct
求不定积分int (x)^2(ln x-dfrac (1)(1+{x)^2})dx.求不定积分.
2.计算下列定积分.-|||-(3) (int )_(-2)^2((x)^2sqrt (4-{x)^2}+x(cos )^5x)dx.
定积分(int )_(-4)^4((e)^(x^2)sin x+2)dx=( )(int )_(-4)^4((e)^(x^2)sin x+2)dx=( )定
14.求定积分 int_(0)^4ln(2+sqrt(x))dx14.求定积分 $\int_{0}^{4}\ln(2+\sqrt{x})dx$