匿名用户 2021-10-14 19:25 数学类Mathematics

x=t2-2t+3, Compute the equation of the normal line of the curve corresponding point t=0.

匿名用户 2021-10-14 19:24 数学类Mathematics

Let A, B be the third order matrix and A be irreversible, AB +2B =0 and r(B)=2, to calculate [A+

匿名用户 2021-10-14 19:24 数学类Mathematics

A function y f (x) of incremental function Ay =f (x +Ax)-f ()=yAr1+2+o(△x) and f () = To calculate f(-1).

匿名用户 2021-10-14 19:23 数学类Mathematics

Compute a double integraldo, Where the integral region√x2+yD={(x,y)|0≤x2≤y≤x≤1}

匿名用户 2021-10-14 19:23 数学类Mathematics

Let the curve of the upper half plane L: y=y(x) be convex, take the curvature at any point P(Z,y)E L and the length of t... 查看全部

匿名用户 2021-10-14 19:22 数学类Mathematics

a2z a2z 1az a-z Let ax2Yay2 2ay =0 in the variations audv (u=x+ Calculate a. v=x+2,y

匿名用户 2021-10-14 19:22 数学类Mathematics

1+bxe1+2x Let :lim =-4., to calculate a, b.x01-√1-x2

匿名用户 2021-10-14 19:21 数学类Mathematics

a11a12a1313a12+2a1aLeta=a2a22a2 andAl=3,b=a23a22+2a2a2, to calculate B'Aa31a32a3a33a32+2a31a3

匿名用户 2021-10-14 19:21 数学类Mathematics

To calculate drx√1-x

匿名用户 2021-10-14 19:20 数学类Mathematics

πsint Let f(x)= )2dt, to calculate the average value of f(x) at [0,].