Find the work done by an external agent in carrying a $5$ C charge from point A $(1,2,-4)$ to point B

$(3,-5,6)$ through an electric field E $=$ x $+$ z$2+2$yz$2$ V$/$m via straight line segments: $(1,2,-4)$ to

$(3,2,-4)$ to $(3,-5,-4)$ to $(3,-5,6).$Find the work done by an external agent in carrying a $5C$ charge from point $A(1,2,-4)$ to point $B$

$(3,-5,6)$ through an electric field $\frac{?}{\text{b}\text{a}\text{r}}(E)=$hat$(x)+z^2$hat$(y)+2$yzhat$(z)\frac{V}{m}$ via straight line segments: $(1,2,-4)$ to

$(3,2,-4)$ to $(3,-5,-4)$ to $(3,-5,6).$