匿名用户 2022-01-01 17:10 数学类Mathematics

Compute the tangent equation of the curve sin(xy)+In(y -x)=x at the point (0,1).

匿名用户 2022-01-01 17:10 数学类Mathematics

Compute the general solution y to the differential equation (y +xe)dx xdy =0.

匿名用户 2022-01-01 17:10 数学类Mathematics

Know that f(x)is continuous,and lim1 -cos[xf(x)]=1,to calculate f(0).0(e2-1)f(x)

匿名用户 2022-01-01 17:09 数学类Mathematics

2).computes the matis that contracts with A over th field of reLet A=numbers.

匿名用户 2022-01-01 17:09 数学类Mathematics

Let f be continuous,if F(u,)=+drdy,area Dw is the shaded part in theDasaFfigure,to calculateyx2+y2=u2x2+y2=1D0

匿名用户 2022-01-01 17:08 数学类Mathematics

Let function of two variables2xx|+y≤1，f(x,y)=11

匿名用户 2022-01-01 17:08 数学类Mathematics

Find the particular solution of the differential equation y"(x y'2)=y'satisfying theinitial condition y(1)=y'(1)=1.

匿名用户 2022-01-01 17:07 数学类Mathematics

Let D be the unbounded region under the curve y=√ra-(a>l,0≤x<+∞)andabove x.(①)Find the volume V(a)of the rotating ... 查看全部

匿名用户 2022-01-01 17:06 数学类Mathematics

Let f(x)be a monotone differentiable function on the interval [0,1],and satisfyf-(t)dt cos t-sin Ldr,sin t cos tWhere f-... 查看全部

匿名用户 2021-12-14 05:37 物理类Physics

 A reference material contains 770 ± 40 Bq kg-1  40K, 695 ± 35 Bq kg-1  238 U in equilibrium with all decayproducts, 464... 查看全部