Question

Question about linear ODEs:
Give a reason why in (4) you may
choose the constant of integration in ∫p dx to be zero.

Equation (4) from the book is in the comment below

Answer 1

\[y(x)=e^{-h}(\int\limits_{}^{}e^{h}r\; dx+c)\;\;\;, \;h=\int\limits_{}^{}p(x)\;dx\]