解答

解答

求解步骤
使用级数比值审敛法:收敛

流行的例子

integral from 1 to 2 of 7sqrt(4x^2-3)integral of x^{-10}limit as x approaches 2 of (-1)/(x-2)laplacetransform 3tsin(3t)(d^2y)/(dx^2)+x(dy)/(dx)=0