匿名用户 2021-09-04 02:45 数学类Mathematics

How many asymptotes to the curve=-+in(1+ex)?

匿名用户 2021-09-04 02:44 数学类Mathematics

When x-0*, compute an infinitesimal equivalent to.

匿名用户 2021-09-04 02:44 数学类Mathematics

11

匿名用户 2021-09-04 02:43 数学类Mathematics

121

匿名用户 2021-09-04 02:42 数学类Mathematics

Let the sum of the elements of the third order real symmetric matrix A be 3. Vector A =(1,2),a2=(0,-1,) are two solution... 查看全部

匿名用户 2021-09-04 02:42 数学类Mathematics

Let's say= {(x,)ly >0} the function f(x.y) has continuous partial derivatives, and for any>0hasf(tx,ty)=t-2f(x,y) ... 查看全部

匿名用户 2021-09-04 02:41 数学类Mathematics

Let f(u) have a second derivative in (0, +oo), and z=f(x2+y2 satisfies02z2z+=0 (1)Verification f"()+f'(u) axdyu0 (2)If f... 查看全部

匿名用户 2021-09-04 02:40 数学类Mathematics

Expand the function f(x)= into a power series of2+x-x2

匿名用户 2021-09-04 02:39 数学类Mathematics

Let the sequencexn satisfy0

匿名用户 2021-09-04 02:38 数学类Mathematics

Let the region={(x,y)|x2+y2≤1,x≥0}, compute the double integral= 1 +xydxdy.1+x+y