The beam shown has length $\backslash ($ L$=1\backslash )$ unit, its left end is deflected upwards $0\mathrm{.}4$ units and rotated clockwise $0\mathrm{.}02$ units, and its right end is deflected downwards $0\mathrm{.}7$ units and rotated clockwise $0\mathrm{.}05$ units.

a$.$ Find the deflection and rotation of a located $\backslash ($ L $/3\backslash )$ from the left end.