Let the function y =y(x)be determined by the equation 2 =x +y,tocalculate dyx=0
Function f(x)on the closed interval [-1,1]is three order continuous differentiable,andf(1)=0,f (1)=1,f'(0)=0,proved that... 查看全部
Let f(x)be a monotonically decreasing and nonnegative continuous function on theinterval[,+o].an=∑f(k)-f(x)dx(n=1,2,…),p... 查看全部
Let the function y(x)(x≥0)second-order differentiable,andy(x)>O,y(O)=1,make thetangent line of the curve and the perp... 查看全部
To remove the sludge at the bottom of the well,the grab bucket is put into the bottom ofthe well with the cable,and the ... 查看全部
(y+√x2+y2)dx-xdy=0(x>0)Find the solution to the initial value problemy=0x=1
Compute the general solution of the differential equation y"-4y e2x.