图片识别成文本： The concave curve y =y()in the upper half plane crosses the point(0,2). At the tangent level at that point, the... 查看全部
2021-08-03 13:11
0
赞同1
回答图片识别成文本： Let u f(x2+y2, z), in which f is second-ord continuous partial derivatives, and the function z(x, y) is determi... 查看全部
2021-08-03 13:10
0
赞同1
回答
2021-08-03 13:07
0
赞同1
回答图片识别成文本： Let D={(x,y) (+y2) a'(x2-y2) >0), find(+ycosxy)dr dy.
2021-08-03 13:06
0
赞同1
回答
2021-08-03 13:05
0
赞同1
回答
2021-08-03 13:04
0
赞同1
回答图片识别成文本： Differential equation of known yx =y(y-x) z, transform u=x2+ y2, v=-+, w= Inz-(+y), including w w(u, v), and af... 查看全部
2021-08-03 13:02
0
赞同1
回答图片识别成文本：Letl:+y2=1(x≥0,y≥0 take tangent line to point above and find the minimum area of the tangent line to the curve a... 查看全部
2021-08-03 13:00
0
赞同1
回答图片识别成文本： Let the parabola y=ax'+bx +c cross the points(0,0) and (1,2), where a<0, determine a, b, and c to minimize t... 查看全部
2021-08-03 12:58
0
赞同1
回答图片识别成文本： Let z =(x, y) be determined by equation 3x2-6xy 2y3+-zInz =0, and calculate the extreme value of z z(x,y).
2021-08-03 12:52
0
赞同1
回答
匿名用户