匿名用户 2021-12-19 11:48 数学类Mathematics

When x→0，x(x)=kx2and(x)=√l+xarcsinx-√cosx are equivalent infinitesimalquantities,to calculate k.

匿名用户 2021-12-19 11:45 数学类Mathematics

Compute the solution of the differential equation xy'+2y xlnx that satisfies y(1)=9

匿名用户 2021-12-19 11:45 数学类Mathematics

To calculatexdx0(2-x2)√1-x2

匿名用户 2021-12-19 11:47 数学类Mathematics

Compute the oblique asymptote equation for the curve y(1+x)

匿名用户 2021-12-19 11:44 数学类Mathematics

Let y =(1+sinx),to calculate dy

匿名用户 2021-12-19 11:44 数学类Mathematics

Let z f(x2-y2,e),where f has continuous second partial derivatives,finddz dz azax'dy'axdy

匿名用户 2021-12-19 11:42 数学类Mathematics

When an airplane lands at the airport,in order to reduce the taxi distance,at the moment oftouching the ground,the tail ... 查看全部

匿名用户 2021-12-19 11:42 数学类Mathematics

Let e(b-a).

匿名用户 2021-12-19 11:42 数学类Mathematics

Curve A and line x =0,x =t(t>0)and y=0 form a curved trapezoid.The curved trapezoid rotatesonce around the X-axis to ... 查看全部

Serein 2021-12-15 03:09 其他 All Others

了in下3.(20 points)Per Unit Normalization.Find a single phase per unit equivalent circuit for thebafanced three phase dist... 查看全部