设y=(2t+5)^3,求dy.求简要计算过程

设y=(2t+5)^3,求dy.求简要计算过程 微积分计算题 设y=e^x/1+5^x,求dy 设参数方程x=2t^3+2,y=e^2t 确定函数x=x(y),求dx/dy,d^2x/dy^2 设函数y=y(x)由x=2t+|t|,y=5t^2+4t|t|,求dy 设x=e^-t y=e^-2t 求dy/dx 设x=4t y=t^2+1 求dy/dx 设y=tanx^3-2^-x,求dy 设x=t+arctan t+1,y=t的立方+6t－2,求dy／dx 设x=lnx,y=t∧3,求dy/dX? 设x=t^2+cost,y=1-sint,求dy/dx 设参数方程{x=（2+t^2),y=t.确定了函数y(x).求dy/dx? x = t - ln(1+t) y = t^3 + t^2 求dy/dx 设y=sin(3x^[2]+[5]x+1),求dy/dx. 设函数y=x3cosx,求dy 设y=(lnx)/x,求dy? 设y=cos3x-x5,求dy. 设y= ex- lncosx 求dy 设y=cos2x-x5,求dy