匿名用户 2021-12-19 11:49 数学类Mathematics

(x-t)f(t)drLetf(x)be continuous,andf(O)≠O,to calculate limx-0xf(x-1)de

匿名用户 2021-12-19 11:49 数学类Mathematics

Set up regional D={(x,y)x2+y2≤4，x≥0，y≥0}，f(x)is a positivecontinuous function on D,and a and b are constants:to calculat... 查看全部

匿名用户 2021-12-19 11:48 数学类Mathematics

Let a1,az and a3 be 3-dimensional column vectors,let's call them matrices,let's callthem matrices:A=(a1,a2,a3),B=(a1+a2+... 查看全部

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