Show that the line integral of electric field is independent of the path followed?

Show that work done in moving an electric charge is independent of the path followed?

Fill ups: Line integral of electric field is…………………of path followed.

Show that the line integral of electric field ntensity between any two points depends only on the position of these points and its independent of the path followed between these points.

An electric charge enters in electric field at right angles to the direction of electric field. What is the nature of the path followed?

An electric charge enters in electric field at right angles to the direction of electric field.What is the nature of the path followed ?