Find \(\frac{\partial z}{\partial x}\) where \(z=ax^2+2by^2+2bxy\).
(a) 3by
(b) 2ax
(c) 3(ax+by)
(d) 2(ax+by)
I have been asked this question by my college professor while I was bunking the class.
This is a very interesting question from First Order PDE topic in chapter Partial Differential Equations of Engineering Mathematics