Question

If y = cosx.x3 then find integration of ydx​

Answer 1

Answer:

If 1N(∂M∂y−∂N∂x)=f(x), a function of x alone, then u=e∫f(x) dx is the integrating factor. If 1M(∂M∂y−∂N∂x)=f(y), a function of y alone, then u=e−∫f(y) dy is the integrating factor.