A.Maths dy/dx問題求救~~~唔該~~~

dy/dx = [d(e^2x)/dx] x [d(2x)/dx] - d(8x)/dx

dy/dx = [e^2x] x [2] - 8

dy/dx = 2e^2x - 8

p.s. d(e^x)/dx = e^x, 即是d之前和d之後一樣.

y=e^2x-8x
dy/dx=d/dx(e^2x-8x)
=d/d2x(e^2x)*d2x/dx-8dx/dx
=2e^2x-8